Promaxx bbc heads. Alabama Cylinder Head Exchange and.
Promaxx bbc heads Lowest Price Guarantee $ + $ $ 320 Series Aluminum Cylinder Heads This video reviews the Promaxx Performance Freedom Series aluminium cylinder head that you can buy from outlets such as Summit Racing. I have experience with just about every head. 800 Lift includes Springs, Ti-Retainers, Locks, . While at the ProMaxx Performance booth at the 2019 PRI Show, we learned this cylinder head company has options for everyone. Performance Cylinder Heads. Guys tend to focus on peak flow numbers and don't care whether or not it's at . Equipped with their CNC-ported, 340cc Taking the affordable performance cylinder head to the next level. own heads use Std lenght valves up to . Porting is equivalent to other companies more The 2 V 4. 317cc intake runners great for street, street/strip, power tour, or smaller cubic inch Our ported TFS heads not only beat the larger ProMaxx heads, but at a lower lift AND a smaller intake port volume. cstraub · Vendor. The options may be chosen on the product page. 350 valve, this head will support big cubic inches and Big power that will not break the bank and MAXX quality & MAXX performance at minimum pricing – Promaxx Performance. steelcomp · Banned. I hadn't considered them previously, because I was originally researching heads for my 502 and was looking for smaller chamber cc's to match the 502 pistons. Freedom Series FLOTEK High Performance Cylinder Heads 1712 Read Street, Evansville, IN 47710 Phone: 1-800-270-0095 I Fax: 812-421-0983 Banghart Diesel & Performance put down 355hp/659tq through a set of ProMaxx heads recently and a bunch of other parts from us. I have used lots of the LS and sbf ones and the quality of them is great. These heads are equipped with a 119cc chamber, assembled in our facility with 21-4N stainless 2. rocker studs, guide plates, and seals. I also tried different intakes to see how they compare wi ProMaxx Performance Products, Maxx 290 Oval Port, Chevrolet Big Block Aluminum Heads . $1,564. Reactions: Rowdy Yates, DualQuadDave and I discuss some common Chinese aftermarket BBC heads. They as good or better then the AFR's, yet about 1/2 the cost of AFR. MAXX 290 BBC CYLINDER HEAD PR See More Specifications. 1 5 of 6 Go to page. The options may be chosen on the product page Shocker 225 SBC CNC (Sold in Pairs) 68 Chevelle Hardtop-11. Roller (up to . Location: But if I was starting with this again and needing heads, I would definitely run either the Flotek 315 or the Promaxx 317's. ports heads for sure, but I just feel the ovals are more suited for my street application at this point. We have made over 900 with a 13 to 1 496. 437 posts · Joined 2018 Add to quote; Only show this user The ProMaxx head is a Steven headbut I would not say Re: Promaxx 317 BBC head for 496 build Post by Adger Smith » Tue Mar 08, 2016 8:07 pm I just sold a set of the Race Rites to a customer with a 468 BBC and was impressed with them. When you add the cost of working Factory heads versus buying a set of heads like these, it just doesn't make any sense to not go for ProMaxx Performance Maxx 317 Chev BB Aluminum Heads, 317cc/119cc, Assembled, Hydraulic Roller (up to . 3. Banghart_Run3. R. 0 Aluminum Diesel 18MM MAXX 290 BBC (Sold in Pairs) $ 1,564. Available assembled or bare, these heads feature ultra-smooth 356 T-6 aluminum castings with hand-blended valve bowls, efficient chamber designs, 5 64 F100 Street Rod with BBC /Chevy trapped in a ford body . (918) 520 - 3480. Jump to Latest I think the promaxx heads would perform better on a smaller engine, but I don’t think they’ll outperform a 580 with a bigger head. I show measurements and flow data for the promaxx 370cc Cnc ported bbc heads. Share. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: 2025. ProMaxx Performance HEAD MAXX BBC 317 ASSM. Go. ProMaxx Performance promised not only plenty of flow but at a significant savings over their competitors. I show flow numbers and dyno numbers. You have a very similar setup to what I have. Chevrolet Chrysler Assembled heads feature 21-4N Stainless Swirl back cut valves, studs and guide plates; MAXX 290 BBC (Sold in Pairs) $ 1,564. 400 - 283/197 At PROMAXX, we provide our XXTREME series at prices that make our competition cringe. 600"), Pair 317cc/119cc, Assembled - Hydraulic Roller (up to . 00 Oversize Fee:$19. This head will change the industry. 900" lift, etc. Dave Koehler - Koehler Injection Import BBC head casting info. 898 Small Bore (SOLD IN PAIRS) I’m on a shoestring budget and have been looking into an affordable set of heads for my 460 bbc I’m trying to piece together to get my Chevelle back running and came across those heads I don’t mind doing port work because I have access to. 607/. weingartnerracing@gmail. I was hoping for some 6. Report this listing Item description a set of lightly used Promaxx 317 heads, complete with ARP head bolts. A professional designed cylinder head with CNC porting and flow over 415 cfm. Chris Straub Mfg Performance Parts www. 00 for the 340cc from what there site says. Put a small rectangle port head on it, or whatever oval you want and go drive the car. 450 cfm out of a 2. Rings and pistons are set up for nitrous but I don’t plan on it for now. 87 at 150. It puts out up to 20 hp over the competition. 625-inch). 300 valves. anybody here run the promaxx (former patriot) heads? specifically the 2117 or 2121 225cc runner versions? thinking I give dyno comparisons between a set of Promaxx 290 oval (roval port) heads vs Promaxx 317 heads. 00. Nov 5th 2024 644 0 $1,400. 345cc head is WAY to big for a 496. For a hydraulic roller engine of 450-600HP in an aluminum head is the ProMaxx 317 BBC head with Inconel exhaust valves for about $1700 per pair assembled. Skip to content Free Shipping With $50 Purchase* Cylinder Heads Cylinder Heads Big Block Chevy Sniper X 24° CNC Machined BBC Cylinder Heads, 375cc, Valve Jobbed, Each Sold out. This new casting is CNC Ported 185cc to make up to 50 Hp over stock heads. BLACK FRIDAY SALE: 15% OFF SITEWIDE - LIMITED TIME ONLY ProMaxx Performance. I give a review of the Promaxx CNC ported bbc 325cc head with flow numbers. Chevy High Performance used these to build their 675 hp 496 in their Jan. I am telling you I sell the Brodix race rites for really close to what I sell promaxx heads for. 317 Pro maxx BBC heads - $1,400. "**SRH BBC Roller Valve Train Kits include USA Parts! SRH . Ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined creating the perfect ProMaxx, Maxx 290 Oval Port, Chevrolet Big Block Aluminum Heads: 290cc/110cc, Assembled, Mechanical Roller (up to . Only show this user 320cc ProMaxx heads 1. A pair of assembled "J" series heads retails at $1,779 (base I was advised many years ago to pay attention to the flow at 0. Not Yet Reviewed. I think both could benefit with a tulip The Shocker 225 CNC is the ultimate 23 degree small block Chevy head. The ProMaxx look very interesting. Sold 3/2018 1970 SS 396 restoration project in Our BBC heads come as cast with a 320cc intake runner, US made bronze guides, and our 5 angle valve job. 1966 Mustang 3300lbs w/driver pump gas street car 363 Nitrous 4-speed 5. Eric's test is the only one I've seen on the BBC offerings. I. The Maxx 290 is truly a rare breed. Taking the affordable performance cylinder head to the next level. Sold in pairs, with multiple spring options and valve job, for 340 The ProMaxx Performance heads promised two things we love: plenty of flow and affordable pricing. And for us guys NORTH or the boarder, those AFR 315 usually land in the $7,000 just for a assembled head. These heads are very ch ProMaxx apparently did his testing for him. A friend did go 6. DIESEL. 575", then that flow at 0. Available assembled or bare, these heads feature ultra-smooth 356 T-6 aluminum Get the Best Performance with ProMaxx Performance 317 Series Aluminum Cylinder Heads Big Block Chevy 9319 parts at JEGS. com I was advised many years ago to pay attention to the flow at 0. PROMAXX Performance Maxx Series big block Chevy cylinder heads are custom designed to satisfy demands of the big block Chevy world, while retaining high-quality craftsmanship and reasonable prices. Part Number: PMX-9290. . Website: wengines. We are a family owned business that began in 2012 by purchasing the remnants of Patriot Performance and Alabama ProMaxx Maxx 317 Chev BB Aluminum Heads Made right here in the USA. Casting quality, machine work very good. These square port aluminum heads feature 310cc intake runners, as-cast 119cc combustion chambers and raised exhaust ports (. Estimated Ship Date: Jan 23, 2025. 600"), Pair: (427-525ci). Going fast doesn’t have to break the bank, so get a pair of XXTREME Series Heads today. ProMaxx's full CNC port head is quite good as well. They were Tom VenDerGeld's, of The heads will get a proprietary valve job from ProMaxx before they go out the door. I share the results from them. Reactions: shovelrick, Now the exhaust the OEM BBC head flowed like 200 cfm or so at . 3 weeks ago. Level up your ride with a pair of PROMAXX Performance Maxx Series Compare to any brand, this head makes power! Ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined. 250" / 1. Machined and assembled in the USA. 625 Roller Valve Springs, SRH Competition Valves, USA 10º Titanium retainers, USA 10º The 185cc series 1 heads are perfect for that budget build. Obviously don't pick a camshaft until you've got the head and its specs. Free Shipping - PROMAXX Performance 9290 with qualifying orders of $109. 09-28-2017, 04:07 PM #2 getrdunn. might be worth a look. 1650 Spring Cups & Viton Seals. The Maxx 225cc SBC head is our largest “as cast” head in our line up, flowing close to 300 cfm @ . $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: WINTER This head is a brand new piece from a brand new source. 98 1. 00 – $ 2,580. pushrods. More than one head porter has reported 400cfm+ from the ProMaxx 317cc runner head Rated 5 out of 5 by 68 Camaro Fast 16 from Promaxx delivers a top quality product ! Purchased set of 2210 BBC heads to inspect and I'm pleased to say they are everything advertised. 050 . This head has produced over 5oo hp on pump gas and mild cam . Independent flow bench testing shows over 400 cfm with 2. $1,200 $1,400. 600 the Summit head was like 260 cfm or so and had a big deltas from . The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. This head has produced over 550 hp on pump gas and mild cam . Part Number: PMX-2168 Estimated Ship Date: Feb 10, 2025 Big Block Chevy Cylinder Heads. Stock Replacement. 550 in. With ultra-smooth Grade A 356-T6 aluminum Ive never seen aluminum bbc and sbc side by side before, so i thought id put it out there for everyone! I have been looking on Skip Whites web site and am considering a set of promaxx 185 64cc aluminum cyl heads for a hyd roller 383. 1 6 of 6 Go to page. Available assembled or bare, these heads feature ultra-smooth 356 T-6 aluminum The Shocker CNC Series is our top of the line performance cylinder head. The options may be chosen on the product page I agree with you Adger, I too think to go conservative and not go too big. chinese VALVES are not to be trusted. Top. They tested I think it was a 496 NA like 600 hp or so. 383. Valve job depth, intake/exhaust: Measured with checking valves and depth mic. Shop Cylinder Heads at Summit Racing. Save. An As Cast head that is just as efficient as competition’s CNC ported pieces. straubtechnologies. Flotek had a 290cc, 315cc and 320cc head and Promaxx had a 317cc head. $2,580. 0l lq4 / lq9 cylinder head assembly. Shocker 340 BBC CNC (Sold LS Compatible Heads Menu Toggle. PROMAXX Performance Freedom Series big block Chevy cylinder heads offer exceptional quality at an unbelievable I dyno tested a set of AFR 265, Brodix RR270, and Promaxx 290 heads. 97 at 209 this weekend past with the PW BbC heads on his twin turbo deal. The ProMaxx 723-2211 cylinder I give real flow numbers and review the Promaxx BBC 317cc head. buy bare castings and put manley or ferrea valves in with compcams or better springs, locks, etc. Joined Oct 16, 2012 · 1,605 Posts #101 · Nov 25 If it is a Chinese clone of the current GM BBC head, then it is an Edelbrock knock-off. 99. Details. I didn’t go this route because I need a standard exhaust port location, so I’ll probably go with Brodix 24* head. It not only out performs the competition; it is at a price that Mopar owners cannot believe. 25 valve and Chad doing the the work, flow considerable better then the EITHER the trick Flow 280's or the Brodix race-rites. Valve Stem Diameter (mm):8. ProMaxx is working on an Oval Port head in the 280cc range, a 337cc, and 367cc. they’re a good head for the money. Dyno results show 20 to 35 hp gains over the competition. Sniper X 24° CNC Machined BBC Cylinder Heads, 375cc, Valve Jobbed, Each I already had the heads or I would have gone 200's. BR 7™ LS7 Compatible Series Cylinder Heads/12° BR 3™ Series LS3 Compatible Series Cylinder Heads/15° BR 1 13™ Series LS Compatible Series Cylinder Heads/13. Jul 22, 2014 #1 so maybe this is old news but promaxx apparently acquired the company that acquired patriot cylinder heads, which made very economical high performance aluminum cylinder heads here in the USA, they also CNC I give real dyno numbers comparing Promaxx 317cc BBC heads to AFR Enforcer BBC heads. Joined Dec 22, 2005 · 10,462 Posts. I think the Brodix RR BB-3 XTRA O's are a bit out of my planned budget. 00 Select options This product has multiple variants. Your Slideshow-Weingartner Racing, LLC. 8. I review and flow a Promaxx Project x 200cc head. Diesel. Bought 5/2018. 6/5. Pullin' for Christ. 317cc intake runners great for street, street/strip, power tour, or smaller cubic inch competition (427-525ci). Making great power at a price that cannot be matched. Take your performance to the XXTREME! All performance series heads sold in pairs! XXTREME 240 LS 1/LS2 Rectangle 3. Shocker 370 BBC CNC (Sold in Pairs) The options may be chosen on the product page Performance. 6. 00 – $ ProMaxx Performance Maxx 317 Chev BB Aluminum Heads, 317cc/119cc, Assembled, Mech. Thread starter philly; Start date Jul 22, 2014; philly solid fixture here in the forum. Flow numbers as specified. I know these arent AFR heads but they dont cost as much either. 5 out of 5 stars. com you can see the products mention on my channel As far as the $3200-$3400 head deal, that seems to be where the Promaxx CNC Shocker versions, 340 and 370cc heads falls into. Website: www. Free Shipping - Estimated to ship direct from manufacturer on 04/10/25 Ultra-smooth 356-T6 Aluminum Casting; Competition 5 angle valve job; Hand Bowl Blending; Precision designed Runners; Large Spring pockets; 200cc intake runner 496 bbc head selection. S. This head will support big power at a price that can’t be beat. Freedom heads also include 7/16 in. 700” lift so much easier to set up correct Valve train geometry ”Std” BBC steel Comp roller rockers work perfect and lives forever vs dikt Promaxx heads, anybody run em? Jump to Latest 57K views 15 replies 13 participants last post by rb85TA Apr 4, 2015. 300 - 233/164. Too bad Promaxx don't make a oval BBC head right now, cuz it sounds like their quality is there at the moment. ProMaxx Performance Products Cylinder Heads Maxx BBC 290 Oval Port 2. 411 posts · Joined 2014 Add to quote; Only show this user #1 · Mar 18, 2015. A pair of assembled "J" series heads retails at $1,779 (base With the chamber work done to the race rites, Promaxx and the Brodix heads are within 50 bucks of each other. Shop Now at the Guaranteed Lowest Price! Kit Includes: ProMaxx SBC 225cc Aluminum Cylinder Heads - 723-9225 JEGS SBC Head Bolt Kit - 555-83400 Fel-Pro SBC High Performance Intake Gaskets - 375-1206 JEGS SBC Exhaust Header ProMaxx Performance . Joined Dec 19, 2008 · 4,526 Posts #81 · Nov 23, 2015 Scott, What are your thoughts on the Proheader BBC cyl heads? Click to expand ProMaxx Performance Maxx 317 Chev BB Aluminum Heads, 317cc/119cc, Assembled, Hydraulic Roller (up to . Custom designed to meet the demands of the BBC world, while keeping the quality high and the price reasonable. Reply. This head flows 385cfm @. Casting, ports, all de-burred edges etc. 800 lift 1. Click image to zoom. Flowing over 450 cfm with a 2. The Shocker 370cc full CNC ported is the Big Dog in our BBC line. A bolt on, performance oriented head that comes in right at $3,000. Also pay attention to the bore size that the heads were tested on. Spring Options: Combustion Chamber Size: Plug Option: Clear: Upgrade Rocker Arm Studs to a 7/16″ This option is NOT available w/ bare heads The SBF Maxx 180 is an as cast head that beats the competition. All performance series heads sold in pairs Jegs "J" series of BBC heads are cast aluminum and CNC-machined for a precise fit. They're generally not going to come very close to the big name heads on the flow charts, but they beat the hell out of cast iron Factory examples. The 64cc chambers will increase the compression on a stock LS1 from 10-1 to 10. When selecting a cylinder head, it is better to stay on the smaller side. 09 @ 149. Custom designed to meet the demands of the BBC world, while Assembled heads include 21-4N swirl-polished valves, springs, retainers, 7/16 in. Equipped with their CNC-ported 340-cc BBC heads, this 572 produced a hair over 850 hp and 719 lb-ft of torque. 79 @ 119. Product Q&A View Now. Set of slightly used Promaxx 317 heads with arp head bolts set up for hydraulic roller camshaft. Sold 3/2018 1970 SS 396 restoration project in progress. 030 over block, 4340 stroker crank and 6. Features; Flow Chart; Cylinder Head Options; Technical Sold · Pro maxx 317 bbc heads. 5-1. in Madison, MS. 600", but if your lift at the valve is 0. I’ve looked at promaxx 317 rect port heads as well. Can ship These heads out flow the competition at a price that cannot be touched. 341 in. ProFiler as-cast airflow rates rival the CNC street ported version of the AFR head, putting those two at the top of a flow test comparison list. 385 forged rods. The new SBC heads and the new FE head are both very nice pieces. The ProMaxx's are getting quite a few good reviews from even surprised engine building pro's as to quality and how well they work. Mine is a 468 with the Pro Comp 320 heads, Manley valves and Isky springs, 10. Shocker 370 BBC CNC (Sold in Pairs) $ 2,653. 00 Lowest Price Guarantee $ + $ $ See more product details. 1 2 of 6 Go to page. Re: Flowed some more BBC heads here you go. Eric Weingartner wasn't all that impressed with ProMaxx's CNC ported heads, they just don't flow the air that they should for the size. In-Tech Vendor Posts: 2826 Joined: Wed Apr 21, 2010 8:35 am Location: Fresno, CA. 00 – $ 1,565. com My 3700 lbs car was running low 11's with 540 hp and that was a crappy combination back then. comEmail: weingartnerracing@gmail. guy paid 5k for complete engine. ALL PERFORMANCE SERIES HEADS SOLD IN PAIRS! Series One 175 SBF (Sold in Pairs) $ 979. 5° Small Block Chevrolet Compatible Heads Menu Toggle. At least you're doing business with the parent company who made the effort and spent the time and money making sure the product was worthwhile. Buy a nice inexpensive set of proper size complete heads from someone like ProMaxx, have them ProMaxx is a good value for the money. Now the exhaust the OEM BBC head flowed like 200 cfm or so at . FlowTek BBC 290cc Head Review With Real Flow Numbers - YouTube . RickyHill. Discussion starter · #21 · Sep 30, 2015. 66mm Retainers Included: Yes Retainer Material: steel Locks Included: Yes Lock Style: Stock Lock Material: Steel Outside Diameter of Outer Spring (in):1. 200 - 159/120. aluminum should use closed cooling but if a lot of freshwater use or good flushing after use aluminum will be fine. Jason Gore AKA DragRacer Naturally Aspriated 450 SBC - 915 HP / 714 lb-ft The valve jobs MUST be differentthe ProMaxx head comes with a 2. His visit / tour to ProMaxx was enlightening. Save Share Reply Quote Like. Yes (+ $ 20. Shock the competition without breaking the bank by ordering a pair of PROMAXX Performance Shocker Series big block Chevy cylinder heads. They were removed from a new build and have minimal use. The Flotek 315 might just be a ProMaxx 317 casting and the bigger heads could be the same casting with big ports but personally, I'd rather do business with ProMaxx. Promaxx is an alternative choice for a moderately priced cylinder head with some outstanding features and options available in various versions. Our casting is fully CNC ported by Keith Craft Racing, making it a definite player in high performance at a price that will destroy the competition. Find Parts and Accessories Promaxx bbc heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 10% back up to $100 - Get Details! MAXX 290 BBC CYLINDER HEAD PR. Hobbies › Car Engines & Parts. Most importantly, the jj original equipment promaxx 317 bbc head has exhaust port volume and it has rocker arms. Date published: 2023-02-06. I know with smaller heads you give up some top end HP, but you don't spend much time over 5k RPM it probably won't matter much. Level up your ride with a pair of PROMAXX Performance Maxx Series Assembled heads include 21-4N swirl-polished valves, springs, retainers, 7/16 in. 600"), Pair In Stock The Shocker 200 CNC ported Ford FE is exactly what the FE community has needed. Available assembled or bare, these heads feature ultra-smooth 356 T-6 aluminum Their "Shocker" was the first ProMaxx BB Chev head to come out with the 2. Brodix, AFR, Edelbrock, and Trick Flow all make some great flowing oval port cylinder heads. Kit Includes:Pro Maxx 180 Series Small Block Ford Aluminum Cylinder Heads (2)-723-9175ARP Head Bolt Kit -070-154 Shop the Best available ProMaxx Project X Series Small Block Chevy Aluminum Cylinder Heads parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. Fully CNC’d runners and chambers designed and ported in the USA. 8 compression, 238/248/578/608/109 hyd roller, GM 049 oval port heads, Performer RPM air gap intake, 1000 HP. com Kit Includes: ProMaxx SBC 225cc Aluminum Cylinder Heads - 723-9225 JEGS SBC Head Bolt Kit - 555-83400 Fel-Pro SBC High Performance Intake Gaskets - 375-1206 JEGS SBC Exhaust Header Gaskets - 555-210050 Fel-Pro SBC Steel Wire Ring Head Gaskets - PROMAXX heads BBC, SBC, SBF. There is NO AS CAST head on the market that can outflow these heads PERIOD! We have done our homework and produced what we believe is the best as cast head-on at an affordable price. $2,375. Compare performance and price and you will see it is no contest. Indiansprings · Registered. 8/9. 4 SBF Modular CNC ported heads feature a unique NEW casting that fits both the Windsor and Romeo platforms. ProMaxx cylinder heads have came a long way in the past few years. That went out the window going to a 540. These heads came from someone who had them on a new build and I port cylinder heads and intake manifolds for street and race applications. PROJECT X SERIES LS XXTREME SERIES SHOCKER SERIES MAXX SERIES SERIES ONE. Jul 22, 2014 #1 so maybe this is old news but promaxx apparently acquired the company that acquired patriot cylinder heads, which made very economical high performance aluminum cylinder heads here in the USA, they also CNC Jegs "J" series of BBC heads are cast aluminum and CNC-machined for a precise fit. 600 lift with a 317cc port! 2. com I don’t have any personal experience with the pw BBC ones. 600" won't mean much to you. Make sure this fits by entering your model number. Alabama Cylinder Head Exchange and. They were 320 ish cc heads. Free Shipping; Special Order The heads feature one-piece stainless steel intake and exhaust valves, CNC bowl-blended intake runners, and combustion chambers. ProMaxx BBC Head Review Jump to Latest 81 - 100 of 111 Posts. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision Family owned business that began in 2012, specializing in all types of cylinder heads, from diesel to performance. com ProMaxx, Maxx 290 Oval Port, Chevrolet Big Block Aluminum Heads: 290cc/110cc, Assembled, Mechanical Roller (up to . The 200cc looks pretty good too. IK® Series Cylinder Heads/23° Race-Rite® Small Block Series/23° Dragon Slayer Series Sporting 572 cubes, this stroker needed plenty of airflow to feed all those extra inches. Promaxx Performance continues to evolve with the Project X lineup and has raised the bar on the competition. 620 lift on a 108CL, Holley strip Dominator intake, Holley 850DP, TH400 with a 4500 nitrous converter, This particular version of our heads come with a 5 angle valve job, hardened seats, and bronze guides. Same engine same dyno same day. When it comes down to it, a stock rectangular port big block head made over 700 hp on mid 1980's bracket engines. If they're doing it now, it's something fairly new. 5:1 speed pro pistons, Crower 252/262 @. Will these heads work with Hydraulic flat tappet cam Asked by: Corvette 69 g. It requires no special components. You can contact me at Re: Promaxx 317 BBC head for 496 build Post by Bob Hollinshead » Sun Mar 13, 2016 5:16 am vortecpro wrote: 496 9. Find PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 200cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing! Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. Join Date: Feb 2009. Does anyone have any first hand experience with these heads? They are 869 bucks plus the shipping. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: WINTER. The only thing different form this head and the 317 is the bbc head advice. 30 valve. 800" lift, . Save Share Flotek 290 bbc head, anyone was wondering if anyone is using the head, flow numbers, hp ect on the 454-475in chevy i see the head on speier racing website,,, Big block chevy heads are massive to begin with. he BBC Street Head recommendation depending on the condition of your 781's, I would use those, or go with the Flotek?Promaxx 290's, or even Trick Flow 270's. 5:1 static for 91 pump gas). Ray Best pass 8. IK® Series Cylinder Heads/23° Race-Rite® Small Block Series/23° Dragon Slayer Series The Maxx 171 SB Mopar heads have finally given SB Mopar enthusiasts a choice. An As Cast head that is just as efficient as competition's CNC ported pieces. LS Compatible Heads Menu Toggle. Flowing over 328 cfm through only a 210cc runner will make the power you need from your big cubic inch small Brazier Race & Machine is now working with ProMaxx Cylinder Heads. Part Number: N/A Category: MAXX SERIES. Spring Options: Combustion Chamber Size: Plug Option: Valve Option: deal with the cheaper china made heads is that people want to go fast for little $$ as they can, yes the name brand heads are bad ass and very nice but the companys have priced them selves almost out of the game , its just plain insane, freaking $3000 for a decent set of heads and get into the nicer trick heads , hell $7000-10,000 for heads, so Your Slideshow-Weingartner Racing, LLC. On my website www. Number of Springs Per Valve: Single Valve Spring Style: Dual with Dampner Valve Stem Diameter (in):0. Listed 3 weeks ago. smokie wrote: ↑ Fri Oct 27, 2023 7:53 pm Just wondering what opinions are on promaxx project x heads? I think they are afr copies, but that 215cc head looks very promising. In the long run it is better for everyone. Sorry in advance for the wall of text, I'm a little confused about how to choose heads for my build. Some of the oval port cylinder heads will out flow and out perform the larger rectangle port heads. Don’t let the size fool you, flowing over 260 cfm, this head makes real power. S. 212 60'. The Maxx 190 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 260cfm. com If you’re looking for an “affordable” set of aluminum heads ready to go, I would go with AFR Enforcer 185s. He has the flow numbers posted on his website. The complaint videos were dumbfounding. Unlike most of our competitors, we don’t offer different quality PROMAXX Performance Maxx Series big block Chevy cylinder heads are custom designed to satisfy demands of the big block Chevy world, while retaining high-quality craftsmanship and reasonable prices. jpg. Weight: 5 lbs: Related products. Jump to Latest Depending on your budget you go with the new ProMaxx 317cc head or an AFR305/315 head. 700" solid roller springs (for Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. 00) Maxx 351 4V Cleveland (SOLD IN PAIRS) quantity. i almost bought a blown 496. 1 4 of 6 Go to page. speedmaster is a chinese head. The options may be chosen on the product page Shocker 240 BBM (Sold Showing what I’m doing now on the promaxx 317Contact info:Weingartnerracing@gmail. 700"), Pair: (427-525ci). 880" valves, . These heads provide up to a 65 cfm improvement over the stock OEM versions. Additional information. Spring Options: Combustion Chamber Size: Plug Option: Clear: Upgrade Rocker Arm Studs to a 7/16″ Yes (+ $ The Jj Original Equipment Promaxx 317 Bbc Head has good features for the price point. Part Number: 723-9319T. they have gotten better. Bret. All versions are Spring Kit BBC . comEmail: w PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2168 PMX-2168. Joined Dec 22, 2005 · 10,419 Posts. AFR has come out with the enforcer BBC head but they're 320 runners, Brodix came out with the SBC budget head but to my knowledge nothing for BBC. MAXX 290 BBC (Sold in Pairs) $ 1,564. Its runner will feed your beast, street or strip. Registered . Yes, these are a copy of the AFR. Estimated Ship Date: Oct 21, 2024 if ordered today. And, this is a rebuilt oe stock 6. ProMaxx BBC Head Review Jump to Latest 320cc ProMaxx heads Tame-ish Solid roller cam Twin S475 turbos Thinking it would be a somewhat "budget" build with enough power to get a full weight car running low 8/ high 7's in the 1/4 while being plenty streetable. C. I show the flow difference between a ported and stock promaxx 290 head and the horsepower difference between the two heads. Discussion If you can't afford to build a BBC unless the heads are made by kids in China after school or on weekends, you probably shouldn't be building the BBC in the first place. I am based out of Broken Arrow, Oklahoma. 30. 68 Chevelle Convertible-454, 12" manual disc brake conversion, B-Body Knuckles, rotors modified to hubs for the Vette rotors, HD Suburban 3-5/32" piston calipers, 75 vette master, DOT5, (stops like my 9C1 4-wheel disc Caprice) Take a look at the ProMaxx 370cc Shocker series heads. Add to cart. I watched a dyno video on SBC heads and within reason the bigger CFM heads didn't lose much on the bottom end which surprised me ( I think they were 170->200 cc range) . pro comp heads, an intake valve head popped off in his driveway at idle. 5 angle competition valve job, diamond honed bronze I personally owned a set of BBc ProComp heads, that on the same 500+ inch BBc in a dragster, OUTPERFORMED these AFR 335 heads. full dyno results-340 promaxx vs 345 afr-cheap vs brand name? check out this video comparing the full cnc promaxx 340 bbc heads against the as-cast afr 345 h 496 bbc head selection. i am interested in hearing from guys that are using these heads,information about engine build and dyno results. The 340 heads will flow over 415 cfm and the 370 heads will flow over 450 cfm, so your engine will never be starved for air. Here's the TFS numbers, out of the box, on a Superflow SF600: Intake/Exhaust. These The Shocker 210 CNC SBF heads are tops in the industry. These heads are configured for a hydraulic roller camshaft. Listing Number : 184656414. Independent flow bench testing shows over 375 cfm. Spring Options: Combustion Chamber Size: Plug Option: Clear: Upgrade Rocker Arm Studs to a 7/16″ This option is NOT available w/ bare heads ProMaxx BBC Head Review Jump to Latest 101 - 111 of 111 Posts. Speier Racing Heads has some nice deals on tuned up Flo-Teks. Attachments. 8 or so out of mine so it looks like I will be in the ball park. This new foundry that ProMaxx is working with makes nice stuff from everything we have been sent. ProMaxx BBC Head Review Jump to Latest 61 - 80 of 111 Posts. Compare to any brand, this head makes power! Get the Best Performance with ProMaxx Performance HEAD MAXX BBC 317 ASSM 9319T parts at JEGS. The intake runners and exhaust ports are partially CNC machined, while the combustion Cylinder Heads; ProMaxx Performance Big Block Chevy Aluminum Cylinder Heads; ProMaxx Performance 320 Series Aluminum Cylinder Heads Big Block Chevy. chinese castings used to be junk. Whether you are looking for a se PROMAXX Performance Maxx Series Big Block Chevy Cylinder Heads. screw-in rocker arm studs and guideplates for 3/8 in. Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft This option is NOT available w/ bare heads. 85@115 on Dunlop GT Qualifiers, through mufflers. JEGS 514071 - Big Block Chevy Aluminum Cylinder Head for use with Hydraulic Roller Cam [335 cc Intake Ports, Straight Angle Spark Plugs] I have a Dart 555 bbc will these work on this set up? Asked by: Rick. As for the smaller chamber heads, isn't that where the CID JK400 and DM500 head come into play. Timely shipped from Promaxx. wengines. No major work was done to these other than a basic gasket match job. Custom designed to meet the demands of the BBC world, while keeping the quality high and the The ProMaxx 723-2211 cylinder head uses standard exhaust manifold or any header. A. Cummins GM Durramax Powerstroke. Note: 72cc chamber heads have both vertical and diagonal exhaust bolt patterns. 5cc domed. 250/1. If I was a 540 or 572, then rec. STOCK Flow isn't everything in the heads, but mine with the 2. Jegs uses longer valves so you will need to check pushrod length. PROMAXX Performance Maxx Series Big Block Chevy Cylinder Heads. We'll be pushing them to 400 here in the coming weeks. 300 lift on. PROMAXX Performance Cylinder Heads 9290 PMX-9290. 1988montecarloss Discussion starter. 76cc heads have vertical Thanks Scott, I appreciate the input. 350 titanium intake valves on a fully cnc'd head that as delivered runabout $2800 complete for a pair will undercost and perform better than the AFR head. STOCK REPLACEMENT . ALL PERFORMANCE SERIES HEADS SOLD IN PAIRS! DX Series 6. They are an offshore-sourced cylinder head casting, like the Promaxx offerings and all the cheaper options, but AFR puts decent quality valvetrain components (including guides) in Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. Log in for Details. 700″ lift. 00 – $ 3,968. Damper Spring Included: Yes Valve Springs Coated: No Valve Those Brodix heads , AFR heads and Edelbrocks and Dart heads will all sever your quest very well, and I don’t think that in terms of 220 to 225 CC version of any of these you will find anything more then a 8 hp differences on the average build in your cid range. you want to use. It features professionally designed runners and chambers meticulously CNC ported in the U. PROMAXX heads BBC, SBC, SBF. 700"), Pair : Check for Availability: Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER ProMaxx BBC Head Review Jump to Latest 21 - 40 of 111 Posts. 2008 issue. If you do ported promaxx heads the 3xtra as cast heads are about same price. I always push American products over Chinese even though the promaxx heads are decent. The heads will be sitting on a seasoned, studded 454 . 25 valve, the FloTek comes with a 2. 700"), Pair : Check for Availability: Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER promaxx 317 heads. As far as those numbers, those equal out about as well as I have ever seen any BBC conventional head flow when comparing the long and short port. 00 – $ Get the Best Performance with ProMaxx Performance 317 Series Aluminum Cylinder Heads Big Block Chevy 9317 parts at JEGS. Answered by: jshook. Manufactured from high-quality aluminum, they are assembled with the finest components. TLDR at the bottom As I understand, the heads are one of the most determining pieces of the engine in terms of power and torque production, along with the cam and compression ratio (~10. Pistons are forged Diamond 21. With the chamber work done to the race rites, Promaxx and the Brodix heads are within 50 bucks of each other. 400" as a valid way to compare heads and it has worked well for me. Post by Keith Morganstein » If not Brodix, then I'd look at either ProMaxx 317's or Flo-tek 315's. Part Number: 723-2214. 88 110cc Bronze Guides 9291 (Sold in Pairs) The Maxx 290 is truly a rare breed in today’s market. A certain head may have killer flow at 0. Save Share Find PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Freedom Series small block Chevy cylinder heads offer exceptional quality at an unbelievable price.
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