Speedmaster heads mopar review After a careful look, some lapping compound and new 10 degree I screwed up on a previous video and gave bad info. Sep 18, 2020 · Does anyone have experience with the Speedmaster aluminum heads? They had a great sale last Christmas. Then I will bolt a stock Speedmaster intake to it and get some numbers for the “out of the box crew”. Apr 16, 2014 · Says pushrod oiling. They are a huge inlet port and he had them flowed at 356cfm at 700 lift on the inlet and 295cfm on the exhaust. 02, 1. using stock Jan 30, 2022 · There was someone here that had just bought a stroker big block dart, with speedmaster Victor knockoffs. Very affordable for aluminum heads and were about 1/2 the price of TF. 530 @. Apr 17, 2024 · Speedmaster has 136 reviews (average rating 1. No Reviews yet. 200" intake valves. 1010 or FelPro 1213 Exhaust - SM3275 or Felpro 1413 HEAD GASKETS The PCE281. He has built a machine shop in his barn. 1728, PCE281. Originally when they were still calling themselves Pro Comp, the first Mopar head they offered was the copy of an Ede Victor BB head. 03Part Type:Rocker ArmsRocker Arm Mounting Style:ShaftRocker Arm Ratio:1. 180"-2. only problem was the bolts with the rockers were too long for the eddy headsdont know about stock cast iron heads car has been running since April of this yearbeen up and down the track quite few times with no valve train problems. Sleve in 1 cylinder. Shims Included:YesSelf-Aligning:NoRocker Arm Body Style:StandardRocker Arm Material:Stainless steelRocker Arm Finish:NaturalQuantity:Sold as a kit. head is designed around an OEM head gasket. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: LASTCHANCE Jul 27, 2020 · If this were 10 years ago I would agree that the Edelbrock heads are a great budget head. We recommend you use Fel Pro head gaskets under our Speedmaster PCE281. 94 valves, retainers locks and springs to . Shims Included:NoSelf-Aligning:No Rocker Arm Body Style:StandardRocker Arm Material:AluminumRocker Arm Finish:Red anodizedQuantity:Sold as a kit. Speedmaster As-Cast Cylinder Heads are designed for street performance and entry-level racing engines making power up to 6,500 rpm. Mopar Chrysler BB 440 8000 Series Pro Billet Distributor [Red Screw-on] | MPN:PCE376. 00 for a pair. I'm sure it had speedmaster offset rockers too. 1K views 14 replies 10 participants Nov 26, 2017 · Just wondering what peoples opinions are on these heads. Speedmaster™ cylinder heads offer improved power throughout the rpm range for greater throttle response and top-end horsepower. Thanks ProComp/Speedmaster Oct 21, 2019 · AMC and olds heads are significantly cheaper from Edelbrock than Pontiac heads are. 1776 4-cyl. 515/. Cylinder Heads; Speedmaster Bare Cylinder Heads; bvseo-REVIEWS; bvseo-PRODUCT; Oct 3, 2022 · Local time 4:53 AM Joined Jul 31, 2011 Messages 9,105 Reaction score 4,229 Location Western Colorado High Desert Mar 18, 2012 · The core shift quality is pretty much even between the two. 02 will flow 210-220. This allows more air and fuel into the cylinder to produce more power. There are multiple threads on these if you type it in the search bar. I have both sets, measured them for comparison, and they are dimensionally the same. My experience with the heads is this - stock x or j with a 2. Nov 25, 2021 · They are 1. Aug 6, 2019 · The SM heads are just copies of the Eddy’s. 250 in. Maybe he can chime in. Sep 18, 2020 · They seem to claim that the components listed here are better components in their heads than the ebay heads most sell. Great article though because edelbrocks are the go-to. I had the machine shop assemble the heads using their preferred springs matched to my cam. $3XX something a piece. 07 1/8th. Tomorrow’s plan is to mount up a stock head and flow it again. Oct 4, 2021 · I am getting ready for the "hopeful" black Friday sale this year for a set of speedmaster aluminum heads. They are available for popular V8 engines. Jan 30, 2023 · Chevelle Malibu ss 64 489 BB with parts from Lewis racing Alumitech radiator with dual spals Th 400 Edge 9. . The cam has . SpecsBrand:PCEPart Number:PCE261. The Arp #"s for the Big Block 440 heads are #145-3609 (bolts) and #145-4206 (studs) For the Small Block Chrysler heads, use Speedmaster PCE279. But bought a HEAD PACKAGE OFF EBAY FOR A 440 MOPAR. Jun 18, 2022 · Recently got a set of PCE281. He just finished my 383 short block. Then the also super hard to find early EQ head. 02’s, with the only porting being a basic bowl blend. bought PAC 1903 valve springs since that is what i use for Flat tappet camspaid the local machine shop to do a valve job and assemble themall said and done i have 1500 invested. 2143 parts at JEGS. The only thing that changed when I changed the heads was the carburetor. 030" overbore. Never used an Edelbrock head, but I assume their quality is good. Anyone know for sure? Will need to oil the rocker shaft/rocker arm contact somehow. As with all Speedmaster cylinder heads, our Small Block Chrysler heads are Gravity Die Cast . We even have the matching rockers! Speedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. If there's some I missed please let me know. 05 intake valve on a 71 Dart 360Ran has run a best of 10. using 1. 35 1/4 and I think 7. Big block Victor rockers: Speedmaster $300 Hughes $900 T&D $2000. I would like to start a thread index. Mar 3, 2020 · Anyone ever hear of SPEEDMASTER aluminum heads good or bad ? Found a pair of new ones for a good price. All the good big block mopar heads require offset rockers, which really drives up the cost. 60 Rocker Arm Style:Roller tipShaft Diameter (in):0. 5 Aluminum Nov 27, 2024 · I bought bare speedmaster heads several years ago along with all the valves and their 1. If your goal is 450-550 HP you cant go wrong with either. 450" Od. Port volume: E-172cc, SM-175cc Average intake throat diameter: E-1. Dec 21, 2023 · In this video we unbox the Speedmaster Big Block heads and the Speedmaster Small Block Heads. 81 stainless 11/32 stem valves, dual valve springs good to . 5 Stainless Steel Roller Rocker AT Racing World is just another name for Speedmaster AKA Procomp. With the increasingly large displacements becoming common, the need for more airflow is necessary. 2140 | UPC:840136532217 May 20, 2020 · I got 2 sets in useone set was hand ported by IMM with 2. 1L HEMI 12 Point Head Stud Kit | MPN:PCE279. Buy Direct from Speedmaster™ with Fast Shipping. Intake Manifold Model (descriptive):PCE Nov 29, 2024 · Yes, from meeting mopar people in my area. They are on Summit for $1,225. Mar 11, 2017 · Pro Comp now calls themselves "Racemaster" and they have 2 distinctly different heads available for the big block Mopar engine. 62 150cc intake port 60cc exhaust port The stem size is 8mm, stock magnum. Seats, guides and valves, the edge goes to the RPM. 19 in Vegas, this engine does not have the same quality parts as the other 360 does. eddy heads are that much trick flow 2200 dollars Sep 18, 2020 · The Speedmaster seemed to be finished better, just needed some blending. The valve job done on the ProMaxx Heads was much nicer. his heads. 1017 head stud kit and torque the heads to 65lbs with Moly Lube. Speedmaster Bare Cylinder Heads is rated 4. Mopar Chrysler SB 318 340 360 170cc 65ccCast N/VJ Bare Aluminum Cylinder Head. Can I run stock rockers/rockershafts/pushrods with the Speedmaster heads? Mar 8, 2021 · I bought the 440 Source Stealth heads when building my 440. 1027 | UPC:840136573722 Jul 26, 2013 · Indy bare heads $2,305 Assembled heads, 2. The rocker shaft stands are in the same location as the Edelbrock heads. Aug 1, 2020 · Personally if I was going to take one out of the box and throw it on I would go with a ProMaxx Head. I checked them over well. But looks like maybe the heads are drilled for rocker shaft oiling. ported to flow 295 to 300 cfm From his facebook ad " Big block Mopar aluminum heads $1,495 Eau Claire, Pennsylvania Big block heads, angle plug, 2. The Speedmaster stainless rocker arms are basicaly copies of the Comp Cams stainless rocker arms. Didnt know if anyone has run them. I got connected to a great guy named Dave 80yrs. 50 Rocker Arm Style:Roller tipShaft Diameter (in):0. Jan 22, 2023 · Buy Speedmaster PCE281. Speedmaster Mopar Chrysler BB 383 440 1. 816, SM-1. SpecsBrand:PCEPart Number:PCE473. 0 out of 5 by 4. 50s in Las Vegas. The heads are expensive by compare and are worth every penny paid for them. using high pressure Moly lube on the threads and under the heads. They are sold in pairs. I have a set of speedmaster 65cc aluminum heads set up for 2. As with all Speedmaster cylinder heads, our Small Block Chrysler heads are Gravity Die Cast. Kim Dec 5, 2023 · Mopar Chrysler BB 383 440 265cc 74cc Hydr-FT Complete Aluminum Cylinder Heads. Quantity:Sold individuallyNotes:Designed for use with Mopar 413/426/440 engines with PCE, Speedmaster Chrysler 440 Heads and Edelbrock Victor heads. Aug 20, 2021 · Speedmaster PCE281. Fundamentally, if you do the same work to all of them, they’ll make the same power. In search of all the area I can get at the PRP, I changed the inside corner radius of the intake port from 1/4" to 3/16". 827 Throat diameter to valve diameter ratio: E-89. Freeze plugs,cam bearings , turn crank 10/10. 68 1/4 and 6. Let's see what I received from Speedmaster and see what the pote Torque to 65lbs. Apr 2, 2020 · If you are going to use standard rockers, the ported stealth heads would be a decent choice. 1115. Engine is a 400-470 stroker using the 440 Source kit. 1063Part Type:Cylinder Head Combos Camshaft Included:NoIntake Manifold Included:YesFuel Delivery Style:CarburetedIntake Material:AluminumIntake Finish:PolishedCarburetor Quantity:OneCarburetor Included:NoIntake Style:Single plane ShootoutIntake Basic Operating RPM Range:3500-7,500Intake Manifold Height:6. Edelbrock has heads just for the small bore small block Chevys. 14 and 1. Aug 11, 2016 · Mopar Chrysler SB 318 340 360 1. 0 and it gained 75 horsepower, there was nothing done to the heads. Jan 24, 2023 · I reached out to @pittsburghracer to discuss some head work and will be purchasing some Speedmaster heads that will be worked by him. Feb 10, 2021 · I think the heads from JB’s also have free shipping Trench. 2146 aluminum heads are a great choice for improved efficiency. 278-283 cfm range at . ProComp/Speedmaster aluminum heads Just think! you can write your own review. The 440 with Stealth heads and a Comp XE275HL dynoed at 502 HP. 1001Part Type:Lifter Valley PlateValley Plate Material:Embossed MetalValley Plate Finish:Zinc. Sing there both super hard to find, your left with the present EQ head or a simple replacement head. Speedmaster™ cylinder heads feature as-cast ports in both alloy and cast iron and are designed for entry-level street/strip performance applications operating in the idle-to-6500 rpm range. They come complete ready to Jan 28, 2024 · The Speedmaster heads are basically copies of Edelbrock LA heads. com FREE DELIVERY possible on eligible purchases Mar 12, 2023 · There was some interest in head tubing yesterday so I’ll touch on that again. There's a sticky thread that might answer most of your questions. May 6, 2019 · The speedmaster and promaxx are both imported copies of the Edelbrock head. 6 ratio with hughes 230/237 cam. The best the speedmaster's had gone was 11. (That’s what I Buy Direct from Speedmaster™ with Fast Shipping. I bought a set last year for 695-ish. One is copied after the Edelbrock "Victor" head with a few differences The other is a cross between the "Edelbrock RPM" and a "440 Source Stealth" head. You cannot run this head ootb. Second set is on a 75 Duster 360, it was a bare speedmaster cnc version that a competition valve job was done onit has run a best of 11. I wish that afr made cylinder heads for the sbm's. If you are looking to build a 400-500+hp engine, give our PCE281. 7L 6. From a tq/hp standpoint, especially in the 450-500hp range, I don’t think that there would be much difference between the two. The PCE281. bvseo-REVIEWS; Apr 1, 2014 · What Lunati cam are you going to be running? I bought a voodoo roller 270/279 . Mar 18, 2023 · The trick flow heads have a far superior amount of air flow at every point. this head has 44 studs, I did 4 heads the other day. 1032Part Type:Rocker ArmsRocker Arm Mounting Style:ShaftRocker Arm Ratio:1. They peak 245 cfm, but the low lift numbers are horrible, garbage. I'm currently running stock 906 heads Mar 29, 2022 · I do a review of the Speedmaster SBC vortec heads with flow numbers and compare the flow numbers to stock and ported 906vortec heads. Oct 25, 2018 · I bought 2 sets of the bare, Chinese (Speedmaster formally pro comp) aluminum cylinder heads-for less expensive than half price of new heads assembled. 1056 Ad #182220135 SpecsBrand:PCEPart Number:PCE435. 500" lift and low 290's at . 00 delivered to my door. 7). Speedmaster Mopar Chrysler SB 318 340 360 Hyd Roller Exhaust - Mopar #MS95480 Chrysler 318 - 360: (PCE281. 1074Part Type: Cylinder Head CombosProduct Line: Street SeriesCamshaft Included:NoIntake Manifold Included:YesFuel Delivery Style:CarburetedIntake Material:AluminumIntake Finish:SatinCarburetor Quantity:OneIntake Style:Dual plane MidAirIntake Basic Operating RPM Range:1500-6,500Intake Manifold Model (descriptive):Speedmaster MidAirCarburetor Flange:Square Buy Direct from Speedmaster™ with Free Shipping. 60Rocker Arm Style:Roller tipShaft Diameter (in):0. 502 lift hyd flat tappet. May 1, 2021 · Mopar Technical Forums. 30 over bore/hone. if u want to know more about the rest of the build check out my 340 upgrade thread. 6 stainless rocker arms. These were my first Mopar heads. It would be awesome if edelbrock and afr were to offer cylinder heads for the 318. Milled to match the chamber volume of the SM heads. A move to an aluminum head would be better and that would be an Edelbrock. Street driven and mainly cruise to car shows and take the family out. This casting process creates a much more uniform and robust cylinder head. Now however I would say out of the box performance would go to the speedmaster or procomp heads! They are cheaper and from the reviews on FABO speedmaster thread are better QC than the edelbrocks. 1088. Consumers say: Very poor Customer Service follow-up. I plan on a rebuild, prob . 03 | UPC:840136549185 Jul 16, 2021 · The test I’d like to see is a set of OOTB SM heads tested against a set of refurbished OE heads with 2. 2034 Speedmaster heads. Stock j with 1. I can’t give you any feed back though, since I haven’t installed them yet. Cylinder Heads; Speedmaster Performance Cylinder Head Kits Reviews; Q & A; Big Mar 3, 2020 · I bought a bare set of CNC headsadded their intake and exhaust valveretainers and keepers too. I ended up replacing springs, retainers, keepers, seals, and having a cnc port done on them. Cylinder Heads; Speedmaster Performance Cylinder Head Kits Reviews; Q & A; Small The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. Thanks. If so, what are your thoughts vs 440Source, Eddy, etc. Factory CNC'd Speedmaster (mine were a disaster) flowed 266cfm. With flattops at a 0 deck height, my Oct 23, 2023 · Most buy them on Black Friday right from Speedmaster themselves for 40% off. They do not come with push rod guide plates or rocker studs. Mopar Chrysler SB 318 340 360 Shaft 1. I like the smaller closed chamber style of these that way you can rake it out of the pistons if you have to and will or can have a lighter rotating assembly Interesting fact too: the E-street heads are the identical casting number as the RPM performer heads. I'm just not convinced Pontiac heads should be the most expensive street type aluminum head that Edelbrock makes. 88 will do 190-195. Mopar Chrysler BB 383 440 265cc 74cc Hydraulic Flat Assembled Cylinder Heads | MPN:PCE281. 60 valves. flat tappet heads are 1180ish for the 65cc chambers. Mopar Chrysler BB 383 440 Shaft 1. Here are some of my questions below, I appologize in advance, this is my first mopar, so I have been learning A Lot along the way. New . After I finished flow testing the TrickFlow head with Victor340 and Wilson spacer I removed it from the bench and grabbed two assembled Speedmaster heads. 2. Dual Valve Springs w/Damper - SpecsBrand:PCEPart Number:PCE261. Stock Speedmaster will flow 250ish. 50 US $ Speedmaster Mopar Buy Direct from Speedmaster™ with Free Shipping. This is the first set I bought assembled and the springs, retainers, and keepers look pretty nice. Tested on a basic “hot street” 408/416. Ever notice how the part numbers start with “PCE”? Pro Comp Electronics. 2151 parts at JEGS. Without moving the pushrods, the flow limit of these heads is about 285-290 cfm. Where are Speedmaster cylinder heads made? Speedmaster cylinder heads are manufactured with precision. racingjunk ad For Sale: Mopar Chrysler SB 318 340 360 Cylinder Head PCE435. Somewhere along the line I may flow a ported head with a stock Speedmaster intake to it. Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. I got valve jobs, valves, springs, ?seats, retainers, valve seals, guides checked for $500 something bucks (less than $550 I think) installed. Jul 23, 2015 · Hi Y'all, I have a stock 74 318. 25/1. These heads are for the 521” big block Ford going Nov 15, 2023 · Here's a little data on out of the box small block mopar Edelbrock 6077 and Speedmaster 1654 heads, side by side comparison, intake port for cylinder 2 or 7. I've done a few sets of chevy 350 heads with great success. 2148 Cast Aluminum Cylinder Head Small Block Mopar 318/340/36: Cylinder Heads - Amazon. We have used ProComp/Speedmaster heads for other peoples builds and they worked fine, no issues and in every application they were bought bare and built to application. Casting seems flawless, bolt and spark plug holes all in alignment, with gaskets, and all threaded properly. I'm fairly certain that olds and AMC combined don't sell a larger quantity of heads than Pontiac heads do. Mopar 5. Worked great on my SpeedMaster LA heads and my dads 915, 440 heads. SpecsBrand:PCEPart Number:PCE435. The complete heads say 2. 1075Part Type: Cylinder Head CombosProduct Line: Street SeriesCamshaft Included:NoIntake Manifold Included:YesFuel Delivery Style:CarburetedIntake Material:AluminumIntake Finish:SatinCarburetor Quantity:OneIntake Style:Dual plane MidAirIntake Basic Operating RPM Range:1500-6,500Intake Manifold Model (descriptive):Speedmaster MidAirCarburetor Flange:Square There has been a rush of Speedmaster cylinder head action on here since Black Friday. Jun 13, 2014 · Anyone heard of these. and those have been around and used on enough builds to know what to expect. say, something in the 450hp range. 1033 | UPC:840136530220 SpecsBrand:PCEPart Number:PCE261. I know the intake side is going to be shrouded a little bit, and i will be using a 360 head gasket. 1087Part Type:Rocker ArmsRocker Arm Mounting Style:ShaftRocker Arm Ratio:1. Speedmaster head thread index Aug 31, 2017 · What he emailed me. Dec 21, 2020 · Wow that 6 hours flew by and it was great sitting at the porting bench again. All said and done I have about $400 more into the Stealths. Chrysler Mopar SB 318 360 LA Complete 6-71 Roots Supercharger Blower Kit | MPN:PCE460. 1654 heads a try. I tell what is upcoming and I review a speedmaster small block Mopar head. (Steel stud in aluminum) Some I was pulling the other day are glued in, oh what pain… double nutting is not fun when your pulling a hundred or so studs at a crack. The OOTB flows and ported flows are about equal with both that we've worked with. A friend has the 325cc cnc ported ones that run the offset rocker fitted out with decent valves, springs, guides etc. I was about to pull the trigger on some Eddy RPM`s after hearing all the mixed reviews on the procomps and there was only about a $400 difference Nov 10, 2024 · Air Flow Research (AFR) introduces new performance parts for small-block Chevy, big-block Chevy, and Mopar engines. Apr 22, 2020 · So with so many members that bought Speedmaster heads what rockers are u guys/gals running. d. Im Aug 1, 2023 · Speedmaster Assembled Cylinder Heads come ready to run with stainless steel valves; valve springs; and valve seals, locks, and retainers. 1 intake valve diameter, but the bare heads say 2. 1085Part Type:Rocker ArmsRocker Arm Mounting Style:ShaftRocker Arm Ratio:1. After having many Edelbrock heads in my hands, my Speedmaster heads, and a Friends ProMaxx Head The ProMaxx looked and flowed the best. Jul 7, 2022 · Speedmaster has 136 reviews (average rating 1. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: 2025 Sep 7, 2021 · Alright gurus, I need some help deciding which heads to choose. Apr 22, 2021 · Between my dad and I we have installed 4 sets of Trickflow heads, all of them nice and no issues. 600". Old. used stock eddy heads with SpecsBrand:PCEPart Number:PCE435. For those racers looking for a head with 800+hp potential, step up to our new 15deg heads! These heads have room for huge 2. I have not run any of the trick flow heads everybody is talking about. Is that what your friend has? Mopar Chrysler BB 383 440 265cc 74cc As Cast No V/J Bare Aluminum Cylinder Head. 2140 | UPC:840136532217 Get the Best Performance with Speedmaster CNC Aluminum Cylinder Head Small Block Mopar 318/340/360 w/Hydraulic Roller Cam PCE281. Jump to Latest 9. any valve train issues Nov 28, 2024 · Hi Everyone, I just saw set of speedmaster heads for around $1050 ( black friday) has anyone used these heads? Good or bad? + can I use stock exhaust, rockers, head bolts etc. FORD 289 302 347 NKB-190cc ALUMINUM HEADS 60cc NKB-FORD-272 | Skip White Performance - We have the best prices you will ever find for aluminum heads, rotating assemblies and strokers Jan 12, 2022 · Speedmaster Aluminum Cylinder heads. They should flow pretty damn good. Feb 7, 2024 · I'm no expert when it comes to putting combinations together, so hopefully some of the other guys will jump in and help with that. 5 Ratio DNA® Aluminum Roller Rocker Arms Set | MPN:1-261-026 | UPC:840136501817 May 2, 2008 · Wondering if anybody on here has ran these Speedmaster heads Mopar Chrysler SB 318 360 170cc 65cc Hydraulic Flat Assembled Cylinder Heads or these valvesprings they sell (these are the ones loaded on the heads that come assembled in the link above) 1. Are the bolt holes heli-coiled? Torque to 65lbs. I have narrowed it down to Sidewinders, Stealths, E-street or RPMs. 050, I'm just about finished hogging out my X heads. 875 in. Shims Included:NoSelf-Aligning:No Rocker Arm Body Style:StandardRocker Arm Material:Stainless steelRocker Arm Finish:NaturalQuantity:Sold as a kit. Nov 29, 2023 · Working on a set of small block Mopar Speedmaster heads for a 408 stroker. I would hope the quality of the Chinese heads has improved beyond the earlier incidents posted here and elsewhere where other Chinese heads from the same source experienced the occasional dropped valve seat insert, among other issues. 440 with roller cam and RPM heads. 600 lift, 10 degree moly retainers and locks, viton seals heads are 84cc chambers. Notes:Requires the use of cup-style pushrods. Unless it’s a super budget deal, my preference with the import heads is to buy them bare and source my own parts. Feb 7, 2024 · I have ran as cast speedmaster heads prior to having trickflow heads. Feb 21, 2023 · There are really only two heads and one is super hard to find and that’s the MoPar Magnum R/T head. If you want more horsepower start with a better head. Use Mopar # P4452006. Just look at the current prices and for a set of hyd. 31, Toms KA 33 splines axles May 7, 2022 · After many many videos we did on these heads, we are at a point to share our final (hopefully) assessment. 2146, including Mopar aluminum heads, is crafted to high standards, ensuring quality and performance. Mopar Chrysler SB 318 360 170cc 65cc Hydr-R Complete Aluminum Cylinder Heads. Oct 25, 2021 · Pro Comp is now Speedmaster. 5" converter 57 3/4” wide 12 bolt: Eaton posi, Us gear 3. I ordered the cnc ported 440 mopar heads and it's been Nov 25, 2024 · Yep. The roller heads are 1820! I already have a set of springs from my cam kit; is I called Speedmaster direct yesterday and they quoted me some damn near Black Friday prices on a set of bear heads and the same kind of deal on a set of loaded CNC heads. Get the Best Performance with Speedmaster CNC Aluminum Cylinder Head Big Block Mopar 383/440 w/Hydraulic Roller Cam PCE281. The best I have gone with the trickflows is 10. He had a thread to i. 1733 heads. lift is around 540/555 at the valve. He worked at a few now defunct machine shops. US $1,032. We does all different engines & heads. The heads have 17 Colomb's (head bolt/stud holes) and Nov 27, 2024 · New items Latest content Latest reviews Latest Mopar Chrysler SB 318 340 360 190cc 68cc Full CNC Aluminum Bare Cylinder Head I have a set of Speedmaster heads No Reviews yet. Any information very appreciated. 9% Buy Direct from Speedmaster™ with Fast Shipping. May 2, 2016 · Anyone tried the Speedmaster ( pro comp)Ali SB heads on a LA340. 65 1/8th. 650 roller cam, $2,830 Cylinderhead kit, heads, studs, bolts, spark plug Jun 30, 2015 · Those are on a 360 in a 73 Duster with OOTB eddy heads. 92/1. 5 Ratio DNA® Aluminum Roller Rocker Arms Set | MPN:1-261-024 | UPC:840136501800 Buy Direct from Speedmaster™ with Free Shipping. SPARKPLUGS For the 4-cyl. 1654) Aluminum Intake - PCE349. These radii were blended about 2" back into the port. For assembled heads, I have more confidence in the Edelbrock hardware. 1731 & PCE281. Speedmaster : Outlet Ford 302 351C Cleveland 220cc 64cc Hydraulic Roller Assembled Cylinder Heads. So the price savings was a wash as I pu Jan 9, 2014 · There was a test done on AFR -165 heads on a other wise stock freshened up 5. Aug 6, 2019 · Mopar Racers Forum . 6 Rocker Arm Style:Roller tipShaft Diameter (in):0. Thanks to @j par and @318willrun for letting us know about the sale so we could jump on board. I'm Dreaming right now anyways as I'm still thinking of saving the money for Black Friday kind of sale. Apr 1, 2014 · I did a lot of searches here and see this subject has been beat to death and opinions are widely varied on the Speedmaster/Procomp Aluminum heads. Depends on the application and where the studs are (ie exhaust side of head) and/or what metal they are in. 1. Jan 30, 2021 · I'm familiar w/ the Speedmaster/Procomp BBM Victor copy only because I have a single casting that's been used as a porting test head. miz mvwgqol kgjxf wlaenpo tyymeq fkdcv llylp iaotve hnamc tyxe