Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Angle Spark Plug Style 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. The economical "As-Cast" aluminum versions feature ultra-smooth ... Selling a SB Ford project I've been working on for a while. Started with the "210" ProMaxx Project X casting. (Not 210cc) 211cc re-shaped intake port 2.45 mcsa @ pushrod pinch 2.10 x 5.01/1.60 x 5.03 REV valves 63cc re-shaped chamber Re-shaped ex ports I have a cnc program for these now which I ran in these heads but because of core …Find 1992 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Angle Spark Plug Style 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. The …Project X: Directed by Nima Nourizadeh. With Thomas Mann, Oliver Cooper, Jonathan Daniel Brown, Dax Flame. Three high-school seniors throw a birthday party to make a name for themselves. As the night progresses, things spiral out of control as word of the party spreads.Weingartner Racing · #48 · Oct 2, 2019. 68468 said: Pro Maxx is not owned by the Chinese, they just cast the heads. Jason Collins who use to race in ihra pro stock owns the company as well as Alabama International Dragway. I think he still races a pro mod on occasion. I know but the promaxx heads they sell are Chinese.ProMaxx 9207 Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates Valve springs for use with a hydraulic roller camshaft with a maximum valve lift of .600 in.Jegs house brand are Pro-Filer heads and are probably the best bang for the buck on the market today. They flow great and excellent quality. As with any pre built head have them checked out before you just bolt them on.Don’t underestimate the importance of quality tools when you’re working on projects, whether at home or on a jobsite. One of the handiest tools to have at your disposal is a fantastic table saw.To zero deck this or nearly so is important to get the squish/quench clearance into the range of .035 to .045 inch. There are two ways to do this one is to mill the block’s head deck by .020 to .025 inch or to use a raised crown piston usually those are .020 inch as they leave .005 for deck clean up.Find 1983 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Straight Spark Plug Style 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. The …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.Nov 4, 2017 · My second stroker motor conclusion is that for the same cost you could build a 396 ci using the common 3.875 stroker crank. I quit building 383's many ago because it's kinda dumb. 396 - 355 = 41 41 X 1.2 =49.2. I was also very impressed with my first street roller cam. cstraub. 4434 posts · Joined 2009. #6 · Mar 18, 2015. 1988montecarloss said: 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.ProMaxx Performance began business by revolutionizing the CNC cylinder head market. They specialize in cylinder heads for small block Chevy, big block Chevy, and small block Ford. ProMaxx designed their own CNC programs to port chambers, bowls, and runners to maximize air and fuel flow. JEGS stocks ProMaxx Performance Products at the best ...When it comes to sewing projects, choosing the right thread can make all the difference in the final outcome of your work. One of the most common questions that arises is whether to use up thread or regular thread.Find 1996 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. The economical "As-Cast" …If you have a list of home improvement projects or do-it-yourself (DIY) tasks, you know how important having the right tools can be. You can’t underestimate how much easier your work can be when you have good tools. A circular saw can help ...Find CHEVROLET 5.7L/350 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Solid roller Camshaft Style and get Free Shipping on Orders Over $99 at Summit Racing! PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with …Find 1997 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Assembled Cylinder Head Style, Aluminum Cylinder Head Material 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 …Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Assembled Cylinder Head Style 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. The economical "As-Cast" aluminum versions feature ultra ...ProMaxx 9185S Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalentEmbarking on a construction project is exciting and often a little overwhelming. Once you’re ready to hire your team, you need to start by gathering construction project estimates. Construction projects used to require estimates done by han...Embarking on a construction project is exciting and often a little overwhelming. Once you’re ready to hire your team, you need to start by gathering construction project estimates. Construction projects used to require estimates done by han...Promaxx bought Patriot, and sells them still as their "Freedom" series. This is NOT that cylinder head. This is an all new casting, with incredible build quality for the price. I bought them complete for $875 from jegs. They are cast of high quality A-356-T6 aluminum, and have approximately 3/4" thich decks.Get the Best Performance with ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) 9219TA parts at JEGS. ... 215. Intake Valve Angle. 23. Intake Valve Diameter. 2.08 in (52.8 mm) Intake Valves Included. Yes. Lock Style. 7 degree. Locks Included. Yes. Machined for O-Ring. No.Dec 1, 2016 · With our tuning finally dialed in, the ProMaxx BBC heads demonstrated their worth on the 572 stroker by producing peak numbers of 850 hp at 6,800 rpm and 719 lb-ft of torque at 5,500 rpm. That’s what we call getting Maxxed Out! Sources: ARP, Arp-bolts.com; ATI, Atiracing.com; COMP Cams, compcams.com; CP Pistons/Carrillo Rods. PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9217S. Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair. Part Number: PMX-9217S. Not Yet Reviewed.Shocker 225 SBC CNC(Sold in Pairs) Shocker 225 SBC CNC. (Sold in Pairs) $ 1,609.00 – $ 2,237.00. The Shocker 225 CNC is the ultimate 23 degree small block Chevy head. It requires no special components. Fully CNC’d runners and chambers designed and ported in the USA. Porting is equivalent to other companies more expensive port work.Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Exhaust Valves Included and get Free Shipping on Orders Over $99 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. The …71350SS. · #20 · Sep 18, 2015. steelcomp said: From the first day GM built the small block Chevy and the big block Chevy, everything has been a copy. There is nothing new under the sun. The Brodix is a copy, the Dart is a copy, the AFR is a copy, and so on and so on.Find 2001 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $99 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. The economical "As-Cast" …When it comes to sewing projects, choosing the right thread can make all the difference in the final outcome of your work. One of the most common questions that arises is whether to use up thread or regular thread.Find 1997 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Assembled Cylinder Head Style, Aluminum Cylinder Head Material 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 …Embarking on a construction project is exciting and often a little overwhelming. Once you’re ready to hire your team, you need to start by gathering construction project estimates. Construction projects used to require estimates done by han...ProMaxx SBF 210cc CNC Ported Cylinder Heads. $ 1,435.00. The Shocker 210 CNC SBF heads are tops in the industry. Compare performance and price and you will see it is no contest. Flowing over 328 cfm through only a 210cc runner will make the power you need from your big cubic inch small block Ford. Go out and shock the competition.Oct 14, 2013 · pacman350 Discussion starter · #9 · Oct 15, 2013. I already had vortec but the driver side head was screwed up plus I already had the intake. I like these because they come 2.02/1.60 valve screw in studs guide plate 64cc cbc and 185cc runners. And to get all of that out of a stock set of vortecs I would have paid more. pacman350 Discussion starter · #9 · Oct 15, 2013. I already had vortec but the driver side head was screwed up plus I already had the intake. I like these because they come 2.02/1.60 valve screw in studs guide plate 64cc cbc and 185cc runners. And to get all of that out of a stock set of vortecs I would have paid more.I review promaxx project x 185cc head and flow it.ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) Part Number: 723-9217A Product Q&A View Now Click image to zoom $1,429.00 Lowest Price Guarantee Project X Aluminum Cylinder Heads Small Block Chevy Intake Runner: 215cc Spark Plug: Angled Valves: 2.08 in. Int./ 1.60 in. Exh. w/8mm Stems Valve Angle: 23°Project X SBC 215. (Sold in Pairs) $ 1,114.00 – $ 2,016.00. Yes (+$ 20.00) Add to cart. Part Number: N/A Category: Project X Series. Features. Started with the "210" ProMaxx Project X casting. (Not 210cc) 211cc re-shaped intake port 2.45 mcsa @ pushrod pinch 2.10 x 5.01/1.60 x 5.03 REV valves 63cc re-shaped chamber Re-shaped ex ports I have a cnc program for these now which I ran in these heads but because of core shift, I finished the intakes and chambers by hand. Exports came out OK ...Find 1992 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. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting ... ProMaxx Project X 92198S Aluminum Cylinder Heads Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise. Straight spark plug angle uses a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent.ProMaxx CNC Ported Ford SB (289-351W) Aluminum Heads These full CNC ported heads are what the small block Ford stroker engine wants and needs. The professionally designed CNC port flows like the top brands in the industry over 325 cfm. Compare flow numbers and then look at the price. Made right here in the U.S.A. using Grade A 356-T6 aluminum ...Oct 15, 2018 · 75gmck25 · #9 · Oct 16, 2018. I looked at Promaxx heads, but finally bought the Blueprint H8002K heads, which are about the same price. I have standard dished pistons in a GM crate 350, so it limited the compression ratio I could achieve. I also have 4.10 gears, TH350 and stock 31" tires. When it comes to finding the right Spanish to English translators for your projects, it can be a daunting task. With so many options out there, it can be difficult to know which ones are the best.The longest river in England is the Thames. The river is 215 miles long and flows through 16 cities and major towns. The source of the Thames River is in a meadow in Gloucestershire, a county in the west of England.ProMaxx 9186S Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates; ... Brodix 1021010 - BP IK 215 Series Assembled Aluminum Cylinder Heads [64 cc Chamber] (0) $1,255.09.Series. The Shocker CNC Series is our top of the line performance cylinder head. It features professionally designed runners and chambers meticulously CNC ported in the U.S.A. Unlike most of our competitors, we don’t offer different quality CNC designs. At PROMAXX, we provide our elite series at prices that make our competition cringe.PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. 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. Project X SBC 215. (Sold in Pairs) $ 1,114.00 – $ 2,016.00. Yes (+$ 20.00) Add to cart. Part Number: N/A Category: Project X Series. Features.ProMaxx 9219TA Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, Titanium valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates ... 215. Intake Valve Angle. 23. Intake Valve Diameter. 2.08 in (52.8 mm) Intake Valves Included. Yes. Lock Style. 7 degree. Locks Included. Yes. Machined ...ProMaxx Performance began business by revolutionizing the CNC cylinder head market. They specialize in cylinder heads for small block Chevy, big block Chevy, and small block Ford. ProMaxx designed their own CNC programs to port chambers, bowls, and runners to maximize air and fuel flow. JEGS stocks ProMaxx Performance Products at the best ... ProMaxx Performance Products, LLC, Rainbow City, Alabama. 5,967 likes · 6 talking about this · 9 were here. Performance Cylinder Heads Locally Owned and Operated.....Jason Collins Call us at... ProMaxx Performance Products, LLC ProMaxx 9205 Project X Aluminum Cylinder Head Features: Cast from 356-T6 ultra-smooth aluminum with larger valve spring pockets and runners designed to be both accurate and precise. Uses a 14mm .750 in. reach spark plug such as NGK R5671A-7 (sold separately) or equivalent.Series. The Shocker CNC Series is our top of the line performance cylinder head. It features professionally designed runners and chambers meticulously CNC ported in the U.S.A. Unlike most of our competitors, we don’t offer different quality CNC designs. At PROMAXX, we provide our elite series at prices that make our competition cringe.73cc. I am at 194 cfm @ 0.650"@ 28". Port very smooth and quiet. 370-350ft/sec across the roof with short 1 5/8 pipe, Test velocity to 45". 450 ft/sec across the roof sounds smooth no turbulence. Tested with tri-y headers and full exhaust system @28" and 45". It was down 20cfm @ 28".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...0:00 / 22:37 AFR Enforcer 195cc Vs Promaxx Project X 215cc Which Made More Power Eric Weingartner 27.7K subscribers 18K views 2 months ago I tell the dyno numbers from the two different...The Prison Project enabled middle school students to communicate with prisoners via the Internet. Find out more about the Prison Project and its purpose. Advertisement Back in the early 1990s, most of us weren't yet savvy Internet surfers. ...Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Angle Spark Plug Style 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. The economical "As-Cast" aluminum versions feature ultra-smooth ...Project X SBF 210. (SOLD IN PAIRS) $ 1,266.00 – $ 2,292.00. The Project X 210 Ford is in one word “AWESOME” over 319 cfm in an as cast head is unbelivable. This head will make BIG power in your SBF application. Our new swirl designed chamber is the difference. Couple that with a state of the art NEW casting and you have a home run. Find 1975 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $99 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. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting ...ProMaxx's full CNC port head is quite good as well. Beyond that information, it just starts to become a personal chice, along with all the other build parameters and your budget. 383, 40 over, 11.1 flat tops, trying to ballpark 500-550 crank hp. a few hundred dollars isn't going to kill me.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...PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 9209 Cylinder Heads, Project X, Aluminum, Assembled, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair Part Number: PMX-9209Are you looking for a way to get your projects done faster and more efficiently? A project timeline maker can help you do just that. With a free project timeline maker, you can easily create detailed timelines for all of your projects, allo...Series. Promaxx Performance continues to evolve with the Project X lineup and has raised the bar on the competition. 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.Best-in-class remote workflow that is reliable, fast, and predictable. Multi-location versioning protects your data. Enable controls overall hardware and data. Protect your network's performance by keeping data off your VPN. ProMAX Sync. Connect small workgroups on a shared network. Quick and easy to install and add members.I tell the dyno numbers from the two different heads. I also show many other things with the two heads like flow numbers, cc, and measurements.Contact info:w...The world's fastest stock block 302 car runs Promaxx heads straight out of the box. 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. Local Sets New World Racing Record Scroll down to Mark's 4 second pass …Maximum quality, maximum performance, and minimum pricing--PROMAXX Maxx Series SBC cylinder heads take affordable power to the next level. With ultra-smooth Grade A 356-T6 aluminum castings that are precision CNC-machined, these small block Chevy heads deliver awesome air speeds with super-efficient chamber designs to produce the power and ...PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads. PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting, precision machining, and an array of assembled …215 (1) 225 (1) 240 (1) 245 (1) 255 (1) 260 (1) 320 (1) Cylinder Head Style Assembled (9) Bare (5) Valve Springs Included No (4) Yes (8) ... ProMaxx Project X Series Small Block Chevy Aluminum Cylinder Heads. ProMaxx Project X Series Small Block Chevy Aluminum Cylinder Heads. $1069.00 - $2016.00 Shop Now.ProMaxx 9187S Project X Aluminum Cylinder Head Features: Fully assembled with valve springs, steel valve spring retainers, Viton valve seals, 3/8 in. rocker arm studs, and guide plates; Valve springs for use with a hydraulic roller …Promaxx bought Patriot, and sells them still as their "Freedom" series. This is NOT that cylinder head. This is an all new casting, with incredible build quality for the price. I bought them complete for $875 from jegs. They are cast of high quality A-356-T6 aluminum, and have approximately 3/4" thich decks.Find 1994 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. The economical "As-Cast" aluminum versions feature ultra-smooth 356-T6 casting ...Get the Best Performance with ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) 9217A parts at JEGS. Shop Now at the …Project X SBC 215. (Sold in Pairs) $ 1,114.00 – $ 2,016.00. Yes (+$ 20.00) Add to cart. Part Number: N/A Category: Project X Series. Features.Promaxx Project 215cc Head Review With Real Flow Numbers. Eric Weingartner. 26.3K subscribers. Subscribe. 629. 23K views 1 year ago. I give an honest …PROMAXX Performance Project X small block Chevrolet cylinder heads have the right stuff to perfectly fit your budget build with abundant power. 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.Find PROMAXX Performance Maxx Series Small Block Ford Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Maximum quality, maximum performance, and minimum pricing—PROMAXX Maxx Series SBF cylinder heads take affordable power to the next level. With ultra-smooth Grade A 356-T6 aluminum castings …I just stumbled across the ProMaxx "Project X" SBC heads on Summit's site. Went to the ProMaxx site and checked them out, and they seem to be comparable …Jan 25, 2020 · 7,072. Location. Pauline, SC. Jan 25, 2020. #1. I have been working on a set of "ProMax" cylinder heads for the past number of weeks. This is the first set of this brand I have had to work on so I thought I would make public some of my findings. I don't know where these are really produced and I'm not going to guess. Get the Best Performance with ProMaxx Performance Project X Assembled Aluminum Cylinder Heads for Small Block Chevy (215cc) 92198S parts at JEGS. Shop Now at the Guaranteed Lowest Price! ... 215. Intake Valve Angle. 23. Intake Valve Diameter. 2.08 in (52.8 mm) Intake Valves Included. Yes. Lock Style. 7 degree. Locks Included. Yes ...Find 1991 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Stock Lock Style and get Free Shipping on Orders Over $99 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. The …Find 1976 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Straight Spark Plug Style 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. The …Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Assembled Cylinder Head Style, 7 degree Lock Style 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 …Project X Bare Aluminum Cylinder Heads; Small Block Chevy; Intake Runner: 215cc; Spark Plug: Angled; Seats Installed for: 2.08 in. Int./1.60 in. Exh. Valves w/8mm Stems; Valve …Maxx 200 SBC(Sold in Pairs) Maxx 200 SBC. (Sold in Pairs) $ 950.00 – $ 1,525.00. 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 .383.I have the ProMaxx 190cc, 64cc combustion chamber heads on my 350. On Jegs they were only $773 for the assemb, Promaxx Project 215cc Head Review With Real Flow N, Find 1996 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Stock , I have the ProMaxx 190cc, 64cc combustion chamber heads on my 350. On Jegs t, 493 14K views 8 months ago I ported the SBC Promaxx Project X 215cc head. This is the results and some insight, Find PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), ProMaxx Performance Project X Bare Aluminum Cylinder Heads for Small Bloc, Shocker 225 SBC CNC(Sold in Pairs) Shocker 225 SBC CNC. , Maxx 190 SBC(Sold in Pairs) Maxx 190 SBC. (Sold in P, Find 1997 PROMAXX Performance Project X Small Block Chevrolet Cy, Shocker 225 SBC CNC(Sold in Pairs) Shocker 225 SBC CNC. (Sold , Hydraulic flat tappet off the shelf cam, long tubes and Victor J, Add to Wish List. Share this product. Buy in monthly , ProMaxx SBF 210cc CNC Ported Cylinder Heads. $ 1,435.00. The S, To that end, ProMaxx has two unique cylinder heads on disp, pacman350 Discussion starter · #9 · Oct 15, 2, Re: Promaxx 9175 sbf flow numbers. by Carnut1 » Sun Sep 29, 201, PROMAXX Performance Project X Small Block Chevrolet Cyli.