Promaxx project x 215

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.

Promaxx project x 215. Jan 21, 2015 · 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.

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. …

ProMaxx 9215A 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 Angled spark plug holes use a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent 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.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.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 ...Fun science projects for kids range from making glue and invisible ink to making virtual vomit and snot. Learn to do fun science projects for kids. Advertisement Science is all about understanding the world in which we live, and our fun sci...Promaxx Project X 215cc Dyno Test Results Eric Weingartner 26.5K subscribers 9.1K views 1 month ago I give the dyno results of testing many different manifolds with the Promaxx Project...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 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

I ported the SBC Promaxx Project X 215cc head. This is the results and some insights.Feb 22, 2022 · 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 to the Profiler All-American 210 heads. 2.08/1.6 valves. Flow numbers seem to be almost exactly the same as Profiler on intake, higher on exhaust. 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. Early Gift Deals - Up to $499 Off Select JEGS Brand Products! Jul 17, 2023 · I give the dyno results of testing many different manifolds with the Promaxx Project X 215cc heads.Contact information: [email protected] wengine... Location: Melbourne fl. Re: Promaxx 9175 sbf flow numbers. by Carnut1 » Sun Sep 29, 2019 4:27 pm. Post up some bowl pics. I bet it would not take much to pick them up a bit in your lift range. Servedio Cylinder Head Development. 631-816-4911. 9:00am - 9:00pm EST. PRH.

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 …PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads - Free Shipping on Orders Over $109 at Summit Racing Filter Results by Vehicle Search New Vehicle Sort Sort By Default Sort Product Line (a-z) Product Line (z-a) Part Number (a-z) Part Number (z-a) Price (low-high) Price (high-low) New Arrivals Records Per PageProMaxx 9217S 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. 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.

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Promax Peru SAC, Ate, Lima, Peru. 547 likes · 13 were here. Es una empresa peruana dedicada a brindar soluciones integrales en seguridad y confort...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.If you’re working on a team project, the last thing you want to do is constantly email everyone to find out how their tasks are going. Plus, you’ll need to keep everyone posted on the team’s progress at large.If you’re looking for a graphic designer to help with your project, you’re in luck. There are many talented designers out there who can help bring your vision to life. Before you start searching for a graphic designer, it’s important to def...

Project X SBC 185 (SOLD IN PAIRS) quantity. Add to cart. Part Number: N/A Category: Project X Series. ... Project X SBC 215 (Sold in Pairs) $ – $ Select options.Series One 185 SBC. (Sold in Pairs) $ 830.00 – $ 1,431.00. The 185cc series 1 heads are perfect for that budget build. Making great power at a price that cannot be matched. Machined and assembled in the USA. Dyno results show 20 to 35 hp gains over the competition. 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" aluminum versions feature ultra-smooth 356-T6 casting ...The ProMaxx MAXX Series Small Block Ford Aluminum Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Even the ''as cast'' heads utilize ultra-smooth new runner and chamber designs that produce ''CNC'd type'' flow numbers. While creating the 100% CNC Ported MAXX series, Many long hours on the …AFR 165 - Available but low stock, seems to be the closest to restocking soon. Trickflow 170, - Not available, back order til April/May. Promaxx 180 - build to order, should be sent out in a few weeks. GT40 heads - definitely available, but not sure its worth the hassle/gain over the other options.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. 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...Series One 185 SBC. (Sold in Pairs) $ 830.00 – $ 1,431.00. The 185cc series 1 heads are perfect for that budget build. Making great power at a price that cannot be matched. Machined and assembled in the USA. Dyno results show 20 to 35 hp gains over the competition. ProMaxx 9215S 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 equivalent ; Manganese bronze guides

Series One 185 SBC. (Sold in Pairs) $ 830.00 – $ 1,431.00. The 185cc series 1 heads are perfect for that budget build. Making great power at a price that cannot be matched. Machined and assembled in the USA. Dyno results show 20 to 35 hp gains over the competition.

Apr 7, 2023 · 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. Find 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 …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.Find 1997 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 …Cylinder Head Spec Sheet. ProMaxx Project X SB Ford casting with custom cnc porting, hand finished. Intended use: turbo, hyd roller, drag/street. Intake port volume: 211cc. Intake port MCSA: 2.45 @ pushrod. Chamber volume: 63cc. Intake valve: REV CL1644 Severe Duty 2.10” x 5.01” x 11/32”, 45* w/30* back cut.We’ve done a nice Dart 427 short block (Ford) for a client that had aluminum heads, it made around 450 with disappointment all around. AFR 225’s replaced those heads, now we’re in the mid 500’s, no other changes. Retail price difference at the time might have been $1500, money well spent.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" …Find PROMAXX Performance Cylinder Heads 215cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing!

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Find 1993 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" …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.Finding the right ghost writer for your project can be a daunting task. With so many writers out there, it can be hard to know which one is best suited to your project. Here are some tips on how to find the right ghost writer for your proje...About. About our Precision Machine Shop D&D Precision Machine Company, Inc. is a fast, friendly, full-service machine shop. From 1-piece prototypes to long production runs, we have what it takes to get it done. We service a wide spectrum of Industries from smaller local manufacturers to large Fortune 500 Companies.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 …$1,429.00 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair See More Specifications | Check the Fit Estimated Ship Date: Jan 1, 2024 Would you rather pick it up? Select Location Drop Ship Free Shipping Special OrderFind 1997 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), Rectangular Exhaust Port Shape 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 …MAXXSeriesThe MAXX Series is taking the affordable performance cylinder head to the next level. There is no comparison in the market. Our new ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined to create the perfect platform for our new runner and chamber designs. This combined with our 5 angle competition valve job ...The correct tire pressure for 25/60R16 tires varies by manufacturer and vehicle; locate this information on the vehicle tire placard or in the owner’s manual. A 1994 Chevrolet Lumina requires 30 pounds per square inch in both the front and ...These cylinder heads deliver great throttle response and power from 1,500 to 6,500 rpm. At $1,986.60 a pair, they are great upgrade. When you are assembling an engine, one of the worst things you can do is focus on “less expensive” parts. Instead, you should focus on proper usage parameters.PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads - Free Shipping on Orders Over $109 at Summit Racing Filter Results by Vehicle Search New Vehicle Sort Sort By Default Sort Product Line (a-z) Product Line (z-a) Part Number (a-z) Part Number (z-a) Price (low-high) Price (high-low) New Arrivals Records Per PageFind PROMAXX Performance Project X Small Block Ford Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! 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 … ….

When it comes to building projects, choosing the right materials is essential. 2×4 plastic lumber is a great option for many projects, but it’s important to make sure you choose the right type of plastic lumber for your specific project.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 ...Find 1997 PROMAXX Performance Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), 3/8 in.-24 Rocker Arm Nut Thread Size 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 ...Re: Better Head Choice for my 406? I decided I'm going to try the new Promaxx 225cc Aluminum Shocker heads. I believe they are a imported casting but they told me all the work, including the CNC porting is done here in the states.. The numbers look really good at 316/225 @ .600 and 319/238 @ .700 .. That's better than most heads that …Jul 23, 2023 · 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... 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 ...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. Early Gift Deals - Up to $499 Off Select JEGS Brand Products!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 …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. Promaxx project x 215, 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 camshaft with a maximum valve lift of .600 in., 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"., ProMaxx Project X 9216A 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 Angled spark plug holes angle use a 14mm .750 in. reach spark plug such as Autolite AR3934 (sold separately) or equivalent, The formula for total profit, or net profit, is total revenue in a given period minus total costs in a given period. If a business generates $250,000 in total revenue in a quarter, but has $215,000 in total costs, its total profit for the p..., I review promaxx project x 185cc head and flow it., Mar 18, 2015 · 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 Project X Small Block Chevrolet Cylinder Heads 92198S Cylinder Heads, Project X, Aluminum, Assembled, 64cc Chamber, 215cc Intake Runner, Chevrolet, Small Block, Pair Part Number: PMX-92198S, 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., 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., When it comes to embarking on a construction project, choosing the right construction company is crucial. One of the first things you should look for in a construction company is their experience and expertise in the industry., 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 …, Are 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..., Apr 7, 2023 · 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 9215S 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 equivalent ; Manganese bronze guides, Find 1992 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 $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 …, 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., Find 1992 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 $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 …, 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., Sep 15, 2015 · 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. , 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. , 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..., Cylinder Head Spec Sheet. ProMaxx Project X SB Ford casting with custom cnc porting, hand finished. Intended use: turbo, hyd roller, drag/street. Intake port volume: 211cc. Intake port MCSA: 2.45 @ pushrod. Chamber volume: 63cc. Intake valve: REV CL1644 Severe Duty 2.10” x 5.01” x 11/32”, 45* w/30* back cut., Check here for all kinds of kid-friendly science projects from HowStuffWorks. Advertisement Check here for all kinds of kid-friendly science projects, including experiments involving sound, light, waves and the weather. More Lifestyle Topic..., 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"., 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 camshaft with a maximum valve lift of .600 in., Re: Better Head Choice for my 406? I decided I'm going to try the new Promaxx 225cc Aluminum Shocker heads. I believe they are a imported casting but they told me all the work, including the CNC porting is done here in the states.. The numbers look really good at 316/225 @ .600 and 319/238 @ .700 .. That's better than most heads that …, 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 Project X Small Block Chevrolet Cylinder Heads 215cc Intake Runner Volume (cc), 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 perfectly fit your budget build with abundant power. …, ProMaxx 9215S 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 equivalent Manganese bronze guides, ProMaxx 9217A 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. , Ethereum (ETH) Blockchain Explorer, Project X SBC 215 (Sold in Pairs) 1,114.00 Learn More Project X SBF 185 (SOLD IN PAIRS) 1,229.00 Learn More Series One We have taken our 100% CNC ported intake and exhaust runners and have made them into an "As-Cast" version. Learn More MAXX Series Taking the affordable performance cylinder head to the next level. Learn More Shocker Series, Promax Heads Chev Sb 215/64 Project X Valve 2.08/1.6 Angle Plugs Hyd Roller Cam Spring 600 Max Lift from 1st Autoparts. Buy quality auto parts in-store or shop online today. New Zealands premier auto parts SHOP 45 Rennie Drive, Mangere, Auckland