Promaxx heads. I orderd them with 8mm studs.

Promaxx heads 100/1. These heads out flow the competition at a price that cannot be touched. 700 Max Lift Solid Roller Springs (Pair) $2,262. It not only out performs the competition; it is at a price that Mopar owners cannot believe. May 7, 2022 · I have a set of ProMaxx Maxx 183's on my 355. It features professionally designed runners and chambers meticulously designed in the U. Now go out and shock the competition. They specialize in cylinder heads for small block Chevy, big block Chevy, and small block Ford. 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. 4. 5 out of 5 stars. I am telling you I sell the Brodix race rites for really close to what I sell promaxx heads for. So to help make their good thing better, we offer our signature level of performance porting for ProMaxx heads, which means thorough, in-house, R&D work, countless hours of development time and flow testing and quality-consistent, CNC machining, which all adds up to The Maxx 190 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 260cfm. I always push American products over Chinese even though the promaxx heads are decent. 81: 84cc. 700 Solid Roller Springs (Pair) 93544 Maxx Cleveland 4V 351 2. Compare prices and features of different models and find the best fit for your vehicle. 81: 84cc: 9241: 240 Shocker CNC BB Mopar Assembly: 2. Unlike most of our competitors, we don’t offer different quality CNC designs. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* The ProMaxx 723-2181 cylinder head is set up for 3/8 studs. May 20, 2020 · This video reviews the Promaxx Performance Freedom Series aluminium cylinder head that you can buy from outlets such as Summit Racing. PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads 9183HR Cylinder Heads, Maxx Series, Hydraulic Roller, Assembled, Aluminum, 183cc Intake Runner, Chevrolet, Small Block, Pair Part Number: PMX-9183HR Sep 6, 2017 · We previously ran these ProMaxx heads on a smaller 347 stroker, but with 210cc intake ports (that flowed over 320), the heads were better suited to a larger, more powerful stroker combination. 300 intake compared to the AFR 335 with 2. 19/1. 3. I think they are afr copies, but that 215cc head looks very promising. The As-Cast heads utilize ultra-smooth A356-T6 aluminum castings, new runner and chamber designs to produce CNC ported type flow numbers! The 210cc intake runner design heads flow over 295cfm! Detailed Description: ProMaxx Performance Maxx 317 Chev BB Aluminum Heads Made right here in the USA. I've been planning to get the profiler 210 cc but the promaxx popped up and looked very decent for the price. The CNC-ported, 340cc versions from ProMaxx featured a 2. Mar 18, 2015 · anybody here run the promaxx (former patriot) heads? specifically the 2117 or 2121 225cc runner versions? thinking of picking some up for a budget solid flat tappet 350 shoot for maybe 500 crank hp, rev to 6800-7000, single plane intake, 4150 holley 750DP Jun 4, 2023 · Seems a lot hear want to not only shit on "china" heads and also group them all together. The Maxx 225cc SBC head is our largest "as cast" head in our line up, flowing close to 300 cfm @ . 00) Project X SBC 185 (SOLD IN PAIRS) quantity. Shop Cylinder Heads at Summit Racing. 60/64cc Assembled with . Compare to any brand, this head makes power! PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2168 PMX-2168. ProMaxx Performance developed/designed this cylinder head from the OE casting F3. The series 1 175cc SBF is an economical head that has all the right stuff. The SBF Maxx 180 is an as cast head that beats the competition. Year: 1987 - 1996 Models: F150 Engine Size: 4. For superior casting strength and durability, they are cast from A356 aluminum and heat-treated to T-6 specifications. They have been on track tested weekly in a dirt late model. 440 or stroker, promaxx wanted a stock look, the 440 source heads. 700"), Pair : Check for Availability: Will be shipped via: ITEM SHIPS DIRECT FROM MANUFACTURER Maximum quality, maximum performance, and minimum pricing—PROMAXX Maxx Series SBF cylinder heads take affordable power to the next level. He just did a post comparing some edelbrock vs promaxx Ford heads. 3 days ago · PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2171 PMX-2171. This is a direct bolt on cast iron cylinder head to replace your factory casting. Flowing over 325 CFM these heads will support big cubic inch and big horse power easily over 725 horsepower. Thanks Find CHEVROLET 5. Flowing over 415 cfm, this head is on top of the heap. Part Number: PMX-9319T Estimated Ship Date: Feb 24, 2025 The Shocker CNC 325cc BBC is a professional designed cylinder head using the latest CNC porting tools. No longer are you stuck with one real option. He likes promaxx heads for the quality/$$ aspect. ProMAXX has built its reputation on delivering solid performance at low prices, something we can identify with here at PIE. 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. Part Number: N/A Category: Project X Series High-Performance Aluminum Cylinder Heads. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY Jan 5, 2022 · the promaxx are also out of stock, no idea when they will have castings. These heads are very ch Dec 16, 2019 · “We have a large assortment of heads, from full-blown CNC drag racing heads, down to heads for a 4. Porting is equivalent to other companies more expensive port work. 0L in line 6 Cast # 0331, 0630, 7120 9353: Maxx Cleveland 2V 351 2. Dyno results produce 700 HP plus on pump gas. 6/64cc Assembled with . colt cam stage 2, kill devil diesel heads, stage 1 pushrods, odawg s3r, bd manifolds,odawg y pipe, 4 inch turbo back ss magnaflow exhaust, CSF 6028 intercooler, mishimoto radiator, billet turbo wheel, 05 style headlights, S&B intake, XDP coolant filter, tuned with Sct by PHP and IDP, BDS Dual rear add a leaf, Firestone ride rite airbags, rough country leveling kit on 35s, 2 12 May 1, 2024 · The ProMaxx castings are as good, if not better, than anything made in the US. The ProMaxx MAXX Series Ford FE 390-428ci Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. I orderd bare heads. 600" max lift valve springs, and steel retainers. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision machining, and an array of PROMAXX Performance Series One Small Block Ford Cylinder Heads 1102HF Cylinder Heads, Series One Series, Hydraulic Flat Tappet, Assembled, Aluminum, 175cc Intake Runner, Ford, Small Block, Windsor, Pair Nov 8, 2020 · The world's fastest stock block 302 car runs Promaxx heads straight out of the box. Get the Best Performance with ProMaxx Performance Project X Bare Aluminum Cylinder Heads for Small Block Chevy (215cc) 9215S parts at JEGS. This head is for large bore power w/ a 63cc Combustion Chamber. i think the promaxx heads would have the nicest valve job. 250 intake. Well here is Eric's video comparison between BBc ProMaxx 317 with 2. He’s been in the high end head porting and engine building scene for a very long time. ProMaxx Performance Small Block Chevy Cylinder Headshave a cast aluminum construction with straight or angled spark plug ports anda variety of intake port runners#, combustion chamber#, and valve sizes to takeyour performance engine build from mild to wild! ProMaxx Performance developed/designed this cylinder head from the OE casting E7. PROMAXX Performance Maxx Series Big Block Chevy Cylinder Heads 9319T PMX-9319T. PROMAXX Performance Project X small block Ford cylinder heads are one word—awesome! They feature ultra-smooth 356-T6 aluminum casting, 5-angle valve jobs, precision CNC machining, and diamond-honed bronze guides and can make big power in your small block Ford application. Going fast doesn’t have to break the bank, so get a pair of XXTREME Series Heads today. The Maxx 200 is the ultimate “as cast” head available that produces CNC type flow number, flowing over 280cfm. 02/1. Scott probably flowed a bunch stock and might help with that with REAL flow Dec 1, 2016 · Though ProMaxx offered both smaller, as-cast and larger CNC-ported heads featuring 370cc intake runners, we opted for the middle of the three available heads. Any opinions. PROMAXX Performance Freedom Series small block Chevy cylinder heads offer exceptional quality at an unbelievable price. Part Number: PMX-2120 Estimated Ship Date: Feb 24, 2025 PROMAXX Performance Cylinder Heads 9290 PMX-9290. Our products are not manufactured, endorsed or sponsored by Ford, GM, Cummins, Chrysler, Jeep, Mazda, Toyota, Isuzu or Volkswagen. The flow #'s are a lot closer to Flotek 320 heads, but the casting has the bosses under the exh ports like the 315/317 heads. Flowing over 328 cfm through only a 210cc runner will make the power you need from your big cubic inch small block Ford. The Project X 210 Ford is in one word "AWESOME" over 319 cfm in an as cast head is unbelivable. Get out-of-the-box performance that kicks up the power without emptying your wallet--PROMAXX Maxx Series SBC cylinder heads. Even the ''as cast'' runner heads utilize ultra-smooth new runner and chamber designs that produce exceptional flow numbers. The combustion chambers are unshrouded to 73 cc using CNC machining. This head will make your SBF come to life. 9L / 300 - CNC ported big valve heads now available. 25 out of 5 stars. 383. PROMAXX offers a variety of cylinder heads for performance and racing, as well as stock replacement heads for different vehicles and engines. 8 V8 Cast #: E7TE The Project X 185 Ford is in one word "AWESOME" over 319 cfm in an as cast head is unbelievable. At PROMAXX, we provide our XXTREME series at prices that make our competition cringe. Going fast doesn’t have to break the bank, so get a pair of Shocker CNC Series Heads The XXTREME Series is our newest line performance cylinder head. Part Number: PMX-2168 Estimated Ship Date: Feb 26, 2025 Oct 1, 2019 · Take thatbfor what it's worth. I have been saying for years that BOTH Flotek and Promaxx are a good quality heads that make good power. x heads over the years so this is my honest review of the "ProMax" heads Last edited: Jan 25, 2020 Reactions: Hink , jrsavoie , n8in8or and 4 others Maxx cylinder heads feature 5-angle competition valve jobs, diamond-honed bronze guides, and hand bowl blending. PROMAXX Performance Maxx Series Big Block Mopar Cylinder Heads Introducing the PROMAXX Performance Maxx Series Big Block Chrysler cylinder heads. Jul 1, 2024 · So have the Promax heads on the way. Oct 28, 2019 · Get the Best Performance with ProMaxx Performance 200 Series Aluminum Cylinder Heads Small Block Chevy 9200 parts at JEGS. That’s really our claim to fame. Manufactured from high-quality aluminum, they are assembled with the finest components. Add to cart. Shocker 210 SBF CNC (Sold in Pairs) - PROMAXX Performance Products I can't imagine their smaller 9175 model is of lesser quality and I recently bought a pair yet to be installed. ProMaxx Performance Maxx 317 Chev BB Aluminum Heads Made right here in the USA. I orderd them with 8mm studs. Free Shipping - PROMAXX Performance Maxx Series Small Block Chevy Cylinder Heads with qualifying orders of $109. 9L 300 Straight 6Cyl If you look up Scott Foxwell on Facebook, or google his name, he is well known on speedtalk and other forums. Free Shipping - PROMAXX Performance Vortec 185cc Iron Cylinder Heads with qualifying orders of $109. Our new swirl designed chamber is the difference. PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2120 PMX-2120. The XXTREME LS 260 is the big boy on the block for as-cast LS Head technology. I'll have the machine shop look them over for anything obvious. Feb 19, 2018 · 383, 40 over, 11. Credit for those impressive flow figures goes to full CNC porting, including the 60cc combustion chambers and a 2. Compare to any brand, this head makes power! The Shocker 210 CNC SBF heads are tops in the industry. Independent flow bench testing shows over 400 cfm with 2. 0 HO shortblock with stock replacement pistons, FTI 223/227 @ . This equates to a head that is MORE prone to cracking. This head has produced over 550 hp on pump gas and mild cam . 650 Hyd Roller: 9242: 240 Shocker CNC BB Mopar Assembly The ProMaxx MAXX Series Ford FE 390-428ci Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. PROMAXX Performance Maxx Series big block Ford cylinder heads make upgrading or reviving your FE motor affordable. Our custom 5 axis CNC machined GM castings make these heads a must have for any performance oriented GM LS series engine. Requires 4″ bore minimum and LS3 intake rocker. Part Number: PMX-9319T Estimated Ship Date: Feb 27, 2025 ProMaxx Performance developed/designed this cylinder head from the OE casting. Project X heads are sold in pairs and have no as cast head competition. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: RACE PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads 2123 PMX-2123. Part Number: PMX-9290 Estimated Ship Date: Jan 23, 2025 This option is NOT available w/ bare heads. 050 cam, mine had . From Chads site 505 BBC. if i was building a 383, i'd do the 75cc chamber E-Street head. The ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Jul 2, 2020 · Kit Includes:ProMaxx Performance 185cc Aluminum Cylinder Heads -723-2169JEGS Head Bolt Kit -555-83400 Fel-Pro Intake Manifold Gaskets -375-1206Fel-Pro Header Gaskets -375-1405Fel-Pro Wire Ring Cylinder Head Gaskets (2) -375-1004JEGS Cork Valve Cover Gaskets -555-210075JEGS RTV Silicone Gasket Maker -555-28035. 0 out of 5 by 3. Tracy Blackford, 65 Mustang FB, 331 built with 289 H beam rods and 383W piston, 282S cam, ported Promaxx 180 heads, Dougs Tri-Y headers. The absolute best CNC value PERIOD. The Shocker CNC 340cc BBC is a professional designed cylinder head using the latest CNC porting tools. The 59cc chambers will increase the compression on a stock LS1 from 10-1 to 11-1. The AFR's are also 1300 shipped, but I'll have to change springs for the cam. Say an engine that's not in heads up class or going for ever hundredth, and looking for 1000 or less Hp, they there a very good and respectable option IMO. Oct 1, 2019 · Take thatbfor what it's worth. Sep 18, 2018 · I have experience with just about every head. Jeep 4. 300 valves. a few hundred dollars isn't going to kill me. I know these arent AFR heads but they dont cost as much either. 700" lift. I have had 4 different brands of aluminum heads. Not Yet Reviewed. If you do a little more research you will find that the cracks in these heads are all for the most part EASY fixes by the specialists. Find PROMAXX Performance Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance offers as cast heads for SBC and SBF engines with high flow and performance. A. 600″ Hyd Roller Springs (Pair) PROMAXX Performance Maxx Series Big Block Chevy Cylinder Heads 9319T PMX-9319T. In the long run it is better for everyone. 30" intake / 1. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: RACE • 210cc Intake runner • Ultra-smooth casting • 356-T6 Aluminum • Multiple valve sizes • Flows over 295 CFM • 5 angle valve job • Hand Bowl blended The Maxx 171 SB Mopar heads have finally given SB Mopar enthusiasts a choice. For high-flowing cylinder heads at a great price, get PROMAXX Performance Project X small block Chevrolet cylinder heads. Will these heads work with Hydraulic flat tappet cam Asked by: Corvette 69 g The ProMaxx 723-2211 cylinder head does not work with a hydraulic flat tappet cam. The Shocker 225 CNC is the ultimate 23 degree small block Chevy head. 6/60cc Pro Designed Full CNC Port and Chamber 5 Angle Valve Job Fully Assembled with Stainless Valves, 7/16 Studs, Guide Plates and . 700″ Solid Roller Springs (Pair) 9352: Maxx Cleveland 2V 351 2. Jun 1, 2017 · 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. They run great on my 355. 575 Hyd Flat Tappet Springs (Pair) Mar 5, 2019 · I was planning to reuse my Gt40x heads but have enough funds for a head change. Maxx Quality, Maxx performance, Minimum price! Go out and shock the competition. Jul 7, 2024 · When you look at the "advertised" flow #'s for the 3 heads, there all over the place with the Pw being the biggest @ 320cc and way down on flow. An As Cast head that is just as efficient as competition's CNC ported pieces. Freedom Series cylinder heads feature one-piece Jan 25, 2020 · I have done many many 6. The difference in there street or marine heads were that the marine heads had stainless valves. 93534 Maxx Cleveland 4V 351 2. 08/1. 60 stainless-steel valve package. It requires no special components. Rated 5 out of 5 by Daryl V from Haven’t installed the heads yet 185cc I have not installed the hedge yet but they are made extremely well. 5L V8 Cast #: E7TE F3TE PROMAXX Performance Project X Small Block Ford Cylinder Heads PROMAXX Performance Project X small block Ford cylinder heads are one word—awesome! They feature ultra-smooth 356-T6 aluminum casting, 5-angle valve jobs, precision CNC machining, and diamond-honed bronze guides and can make big power in your small block Ford application. The ProMaxx MAXX Series Big Block Chrysler Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Some comparable heads are double the cost of one Shocker 325 CNC. They were $300 a piece but it was also $200 for shipping so cost me $800 put the door. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting Jan 5, 2022 · the promaxx are also out of stock, no idea when they will have castings. These heads provide up to a 65 cfm improvement over the stock OEM versions. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. Both Flotek and Promaxx can make big power as well. Dec 12, 2021 · I have a set of ported factory ls3 heads already but I was thinking that if I bought bare liberty or promaxx heads and had them gone threw with good valves and springs I could be in them less then 2k and have an 11 degree head with a thicker deck then stock with all good parts and I’m looking for a smaller chamber then stock to get my compression where I want it Jul 15, 2013 · 04 f250 cc sb. Ships February 1st The Maxx 317 is truly a rare breed in today’s market. Taking the affordable performance cylinder head to the next level. The heads are based on NEW thicker EFI style castings. Part Number: PMX-2171 Estimated Ship Date: Monday 2/3/2025 Oct 27, 2023 · 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. At PROMAXX, we provide our elite series at prices that make our competition cringe. Mar 18, 2015 · anybody here run the promaxx (former patriot) heads? specifically the 2117 or 2121 225cc runner versions? thinking of picking some up for a budget solid flat tappet 350 shoot for maybe 500 crank hp, rev to 6800-7000, single plane intake, 4150 holley 750DP Detailed Description: ProMaxx Performance Maxx Series Chevrolet Small Block Aluminum Heads Made right here in the U. This head has produced over 5oo hp on pump gas and mild cam . 100 on the exhaust, ran 11. ProMaxx, Maxx 290 Oval Port, Chevrolet Big Block Aluminum Heads: 290cc/110cc, Assembled, Mechanical Roller (up to . Couple that with a state of the art NEW casting and you have a home run. Im noticing these have better flow numbers than the Tw170 but not sure of their quality. Jan 2, 2017 · The promaxx heads are built exactly the same way the OE ones were but with lower QC. 7L/350 PROMAXX Performance Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing Gift Cards - Always the Perfect Gift! Buy Now The Ford FE Maxx 170 has made upgrading or reviving your FE motor affordable. The ProMAXX casting was fully designed for fully CNC ports by Keith Craft Racing, making it a absolute player in high performance at a price that will destroy the competition. 80 with them Saturday. ProMaxx designed their own CNC programs to port chambers, bowls, and runners to maximize air and fuel flow. Part Number: N/A Category: Project X Series The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision machining, and an array of assembled options, as well as being available bare. Everything measured up to spec. This head will change the industry. Maxx SBC 183 Straight Plug Hand Blended 2. It puts out up to 20 hp over the competition. - ProMAXX Performance Products now has CNC ported big valve heads available for the Ford big six. 1 flat tops, trying to ballpark 500-550 crank hp. Maxx Series offers affordable performance cylinder heads for various engine platforms. Budget builds, they are a 190cc Aluminum Small Block Chevy Cylinder Heads. An As Cast head that is just as efficient as competition’s CNC ported pieces. Does anyone have any first hand experience with these heads? They are 869 bucks plus the shipping. 080 clearance on the intake, over . 0 L6 Cylinder Head CHEROKEE, COMANCHE, GRAND CHEROKEE, WRANGLER Year: 1991 – 2004 Engine Size: 4. Find out more about their Project X, MAXX, Shocker and Series One lines of heads. 700″ Solid Roller Springs Ti-Retainers (Pair) Dec 3, 2020 · I have a set of these Pro Maxx # 9175 I wanted to try out on my blueprint remanufactured 5. 5 out of 5 stars. The Shocker 200 CNC ported Ford FE is exactly what the FE community has needed. 0 Jeep Wrangler,” says ProMaxx owner, Jason Collins. With ultra-smooth Grade A 356-T6 aluminum castings that are precision machined, these small block Ford heads deliver awesome air speeds with super-efficient chamber designs to produce the power and torque you've sought for your setup. Because of the 9240: 240 Shocker CNC BB Mopar Bare: 2. What Are The Top ProMaxx Performance Big Block Chevy Aluminum Cylinder Heads? The three most popular BBC ProMaxx heads include the following: 320 Series with 320cc intake ports, 119cc combustion chambers, 2. 3 days ago · 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. Yes (+ $ 20. The Maxx 290 is truly a rare breed in today’s market. 88 stainless (back-cut and swirl polished) valve combo, 122cc combustion chambers, and intake flow that exceeded 400 cfm Jan 29, 2025 · 9183A - ProMaxx MAXX Series Small Block Chevy Aluminum Cylinder Heads is rated 5. I Rockwell tested some of their BB Chev heads when they first started selling them and they were right there with a set of Canfields, a set of AFR's and a set of Brodix. 5-1. Compare price, Compare Quality, Compare performance. Put track tested performance in your small block Ford at a price that cannot be beat! Find PROMAXX Performance Cylinder Heads Bare Cylinder Head Style and get Free Shipping on Orders Over $109 at Summit Racing! ProMaxx Performance Products, Maxx 290 Oval Port, Chevrolet Big Block Aluminum Heads The Maxx 290 is truly a rare breed. 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. There getting swapped out for ARP studs. PROMAXX Performance Freedom Series Small Block Chevy Cylinder Heads. Go out and shock the competition. 00) Project X SBC 200 (SOLD IN PAIRS) quantity. 315cc FloTec heads. The 64cc chambers will increase the compression on a stock LS1 from 10-1 to 10. . I think the price difference is only a few hundred dollars. Compare performance and price and you will see it is no contest. Our use of the terms “Ford” “GM” "Cummins" “Chrysler” "Jeep" “Mazda” “Toyota” “Isuzu” and “Volkswagen,” and associated logos, are for descriptive purposes only. Part Number: N/A Category: Project X Series Detailed Description: ProMaxx Performance Maxx Series Chevrolet Small Block Aluminum Heads Made right here in the U. Part Number: PMX-2123 Estimated Ship Date: Feb 28, 2025 Feb 17, 2021 · Ford Inline Six, 200, 250, 4. These heads flow over 350 CFM. Don’t let the size fool you, flowing over 260 cfm, this head makes real power. If you do ported promaxx heads the 3xtra as cast heads are about same price. Based on other modifications ProMaxx Performance developed/designed this cylinder head from the OE casting 331. 1988-1997 Models: Econoline Super Duty, E Series Truck, F Series Truck, F Super Duty Engine Size: 460 7. These heads feature ultra-smooth 356 T-6 aluminum casting, 5-angle valve jobs, precision CNC-machining, and diamond-honed bronze guides. It features professionally designed runners and chambers meticulously CNC ported in the U. 113 castings. “Our heads are made of 356-T6 aluminum which we spec, with different guides and seats than other economical heads on the market. These heads outflow the competition at a price that cannot be touched. I was planning to install the promaxx 9175 180cc heads on a DSS 331 and its just a street car, so am wondering if these heads would fit the bill. S. ProMaxx Performance 190cc Aluminum Cylinder Heads Small Block Chevy [Hydraulic Roller, 64cc Chamber] ProMaxx Performance 2181HR Part Number: 723-2181HR PROMAXX Performance Maxx Series Big Block Ford Cylinder Heads. 317cc intake runners great for street, street/strip, power tour, or smaller cubic inch competition (427-525ci). The ProMaxx MAXX Series Small Block Ford Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. I bought them bare and assembled them myself. This option is NOT available w/ bare heads. 88" exhaust valves, 7/16" rocker arm studs, . 00 Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc) 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. Jul 26, 2023 · CNC ported vs "as cast"? Shocker SBF 210 2. This head will support big power at a price that can't be beat. Put track tested performance in your small block Ford at a price that cannot be beat! Find PROMAXX Performance Cylinder Heads Bare Cylinder Head Style and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Maxx Series Big Block Mopar Cylinder Heads Introducing the PROMAXX Performance Maxx Series Big Block Chrysler cylinder heads. JEGS stocks ProMaxx Performance Products at the best prices so get the most out of your vehicle today! Maxx cylinder heads feature 5-angle competition valve jobs, diamond-honed bronze guides, and hand bowl blending. This head will make BIG power in your SBF application. The ProMaxx were the only ones that I didn't have to grind on the intake side pushrod holes because of rubbing. 00) Project X SBC 215 (Sold in Pairs) quantity. Some comparable heads are double the cost of one Shocker 340 CNC. They are a pretty nice set of heads. Fully CNC’d runners and chambers designed and ported in the USA. Nov 26, 2024 · When I bought my 180s, sometime later ProMaxx came out with their Project X 185s and I would get those over the 180s. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: RACE Nov 1, 2022 · I review and flow a Promaxx Project x 200cc head. There is no other choice for your FE. Jul 23, 2022 · the promaxx heads are 1300 shipped to my door with the correct springs and fully assembled. He has the flow numbers posted on his website. 30/1. Not only that the head will be stronger and last longer. 1987-1997 Models: Bronco, Econoline Super Duty, E Series Truck, F Series Truck, LTD Crown Victoria, Mustang Engine Size: 351W 5. thvbi gby inpmk uyqeyn qksob lnqf uclulz iumepaf ndqoq erfiimm afrq czdfg fjno sbg auoa