Edelbrock heads specs. Plus Edelbrock usually makes some nice products.

Edelbrock heads specs The Edelbrock #60069 Performer RPM cylinder head is designed for use with 1961-76 390-427-428 Ford applications. The Edelbrock #60879 Corvette center bolt cylinder head is designed for 1986-91 Tuned Port Injected (T. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Engines with ½” diameter head bolts (351W and 302 SVO) use Edelbrock Head Bolt Kit #8553 or stock 351W bolts with high quality head bolt washers such as ARP #200-8533. Edelbrock. ACCESSORIES: Although Edelbrock E-Street Cylinder Heads will accept OEM components (valve covers, intake manifold, etc. IDENTIFICATION: These heads are available individually, either bare or assembled, with either 1. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY Oct 29, 2014 · The Edelbrock Heads are a very nice quality piece for a street/mild strip build, there are much better heads out there for the $, but you cant go wrong with them. 4/06 - RS/mc 2 of 4 ©2006 Edelbrock Corporation Brochure #63-0072 ACCESSORIES Although Edelbrock Performer RPM FE cylinder heads will accept OEM components (rocker arms, valve covers, intake manifold, head bolts, etc. Stock head bolts may be used with hardened washers. I have measured the depth or bottom of the blind helicoiled stud hole in the aluminum heads to the exhaust mating surface and it is . Edelbrock head bolt kit #8591 includes all bolts which must be used with these cylinder heads. Comes with The Edelbrock 350-5089 cylinder head will accept a small block Chevy style exhaust manifold. These heads are fully CNC ported and have our priority racing valve job. This set contains all gaskets necessary for cylinder head installation, including cylinder head, intake, exhaust, and valve cover gaskets. Edelbrock has cylinder heads that are appropriate for high-end street and track applications. As far as I can tell they are 64cc chambers with 170cc runners. So I threw them on along with a very mild Comp cam(XE264-HR). 88” valves Valve Seat for B/B Chevy heads with 1. Application. Performer™ heads are street legal in all 50 states when used with Edelbrock manifolds. edelbrock heads . The Edelbrock #60455 Performer RPM O-Port cylinder heads are designed for Big-Block Chevy applications. 600". This new cylinder head offers “out of the box” bolt-on performance with no additional porting Find Edelbrock E-Tec Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Engineered for maximum performance, the new E-Tec Series aluminum cylinder heads fit all small Chevys with Vortec-style intake manifolds. VALVE COVERS:Use Edelbrock Signature Series chrome The Edelbrock #61025 Performer RPM Cylinder Heads for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. I need to re-torque the heads but don't have the specs for sequence or ft pounds, and since the heads are aluminum, do I need to use stretch head bolts if I replace them? Although Edelbrock Cylinder Heads will accept OEM components we recommend that premium quality hardware be used. PISTON-TO-CYLINDER HEAD CLEARANCE: Edelbrock cylinder heads are designed for use with flat-top pistons. The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. 850". Edelbrock Marine-Duty Performer RPM 454 Cylinder Heads. Chances are, the Edelbrock heads probably provide more useable horsepower even if the peak numbers are slightly off. They incorporate Edelbrock's new high-quench 64cc combustion chamber design, which promotes a more uniform atomization of the air/fuel mixture for increased power Apr 6, 2013 · You can get them for around $1,500 with free shipping on ebay. 5 Edelbrock Although Edelbrock Cylinder Heads will accept most OEM components (valve covers, intake manifold, etc. Check out Edelbrock’s air cleaners and intake manifolds to further customize your engine. $109. Comes with: Titanium intake valves; Stainless exhaust valves; Bronze valve intake seats; Steel exhaust seats; PSI triple springs; Stainless Valves. i. E-Tec 200 will require the use of headers suitable for Fel-Pro #1405 (1-3/4” is minimum recommended). See chart for more specs. For Edelbrock Aluminum Heads their specs show . , Sealed Power #R-865R, Pioneer-Barnes #818001 etc. equipment Vortec heads will fit Edelbrock E-Tec 170 Cylinder Heads. These heads feature A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. By comparison, heads from Dart, AFR, Brodix, TrickFlow and others are better out of the box than the Performer RPM head. same head as an RPM. Edelbrock Foundry out of 356 aluminum and heat treated to T-6 specs, then machined at Edelbrock headquarters in Torrance, California, for the ultimate in quality. The Edelbrock #5027 E-Series Cylinder heads are designed for Small-Block Ford applications. I. This Edelbrock cam kit produced 397 HP & 400 ft-lbs. 35 ft. Unfortunately "Because roller camshafts have more aggressive ramps. in the cylinder head, and torque to manufacturer's specification for aluminum heads. Head Gaskets: Edelbrock head gaskets #7313 are recommended for use with E-Street heads. They also feature the highest quality intake and exhaust valves and valve springs. 40-45 ft. with 30W Oil. 894 Inch (2) Fel-Pro P1010 S/B Chevy 265-400 Copper Ring Head Gaskets 4. Those are numbers used in the Aluminum industry. Sep 25, 2006 · Note: 76cc heads have vertical bolt pattern only. The MP 452 aluminum heads are made by Edelbrock for Mopar Performance. Apr 22, 2017 · Hi. Jimmie - retired ALCOA employee. The Edelbrock E-Series cylinder heads are a step up in affordable Jul 23, 2005 · I don't think it has anything to do with the specs. 100 Longer, 7. Autolite. The Edelbrock #9717 Exhaust Valve Seat is a replacement for Edelbrock cylinder heads. $679. 6" valves,straight plugs. They feature larger runners for increased airflow, revised exhaust ports and larger diameter springs for higher lift camshafts. Aug 7, 2017 · They are casting number 6088, and the front of the head says HP E-Force "by edelbrock" Cast from A356 Aluminum and heat treated to T-6 specs, modern combustion Sep 1, 2005 · After machining, the 425 was assembled using ARP fasteners, out-of-the-box Edelbrock Olds heads, an Isky 280 Mega-Hydraulic cam (232/232 duration at 0. Use Edelbrock Head Bolt Bushing kit #9693 in place of hardened washers to allow use on pre-1970 blocks. There is a #5089 check that first digit. Date published: 2024-04-19. The valve springs supplied will accommodate valve lifts up to . ), or non-self-aligning roller rocker arms are recommended. Stock headbolts with hardened washers may be used. The Edelbrock #60895 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. I did find an old thread on another forum that listed 2 different sets of flow numbers. This new cylinder head offers “out of the box” bolt-on performance with no additional porting Edelbrock, LLC. The Edelbrock #60459 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Plus Edelbrock usually makes some nice products. They are a step up in performance from our E-Street line. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. Specs include: 62cc combustion chamber, 1. 3/28/13 QT/mc INTAKE MANIFOLD: Although stock intake manifolds will fit, the Edelbrock Pontiac Cylinder Heads are matched in size and operating range with BES / Edelbrock Big Victor 3 Heads: Price: Best Flowing 4. Small block Chevrolet engines using Vortec style manifolds. Kit Includes: (2) Edelbrock 5089 E-Street Cylinder Heads, Small Block Chevy (1) Set of Manley Chevy 4130 Chromoly Pushrods, . Technical Notes. of torque when used with #7111 intake and stock iron cylinder heads on a 350 engine. I have a 351W with the performer RPM heads and Pro-Flo Intake. Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed. It eliminates wearing of the threads and the possibility of bottoming the rocker shaft bolts in the head. The Edelbrock #5025 E-Street cylinder heads are designed for Ford 289-351 W V8 applications. We recommend Edelbrock Head Bolt Kit #8550. The Edelbrock #60459 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Shop Cylinder Heads at Summit Racing. 060" or larger bore. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. It rarely makes sense to use old obsolete heads, or to recondition old heads. This cylinder head delivers great throttle response and power from 1500 to 6500 The Edelbrock #5023 E-Street cylinder heads are designed for Ford 289-351 W V8 applications. Performer RPM heads with 64cc combustion chambers improve performance and retain stock compression ratio on 1970 and earlier small-blocks. Would just like to know the full specs of these heads. 94” SCCA only) intake valves for the Jul 12, 2009 · In this tech article HOT ROD takes a look at the new, affordable line of Edelbrock E-Street cylinder heads for small-block Chevy and Ford engines with full specs and flow testing - Hot Rod Magazine The Edelbrock #60909 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. Although Edelbrock Cylinder Heads will accept OEM components (valve covers, intake manifold, etc. But if you compare the heads across the board, the Edelbrock heads outflow the W2 heads at almost every other point during the cycle. Hardened pushrods are required. The Edelbrock #5087 E-210 Cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. The Edelbrock #60547 Performer RPM Bare NHRA Stock/Super Stock Rectangle Port cylinder heads are designed for Big-Block Chevy applications. #5089 is Edeldrock E-Street head, 185 cc runner, 64 cc chamber, 2. 840 bore spacing head available! Includes: Victory titanium valves; Manley titanium retainers; Manley hardened locks; PSI or PAC springs; We can customize these specifications and components to your application, just give us a call at 812-576-2371. Titanium Valves. Bore (8) Champion 71 RC12YC Spark Plugs (1) Set of ARP 134-3601 SBC Cylinder Head Bolts (1) Set of COMP Cams 19001-16 Ultra-Gold ARC Series Rocker Arms, Chevy 3/8-1. 610"exhaust, . They also feature the highest quality . Edelbrock Head Bolt Kit But aftermarket cylinder heads can be tailored to your engine and needs. 45 ft. All Edelbrock aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. 7L S/B Chevy engines originally equipped with center bolt valve covers. The #5027 E-Series Cylinder heads are for SBFord engines. Mar 15, 2022 · Edelbrock claims they added . The Edelbrock #60985 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 SB Chevy engines with Vortec-style manifolds. d engine with 9. HEAD BOLTS or STUDS: High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum bolt bosses. The Edelbrock #60895 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. bolt bosses. V8 Pontiac engines with a 4. Edelbrock cylinder heads are equipped with hardened pushrod guideplates. Performer & Performer RPM cylinder heads are designed for use with flat-top pistons. This kit includes an RPM intake manifold, Performer RPM cylinder heads, hydraulic cam and lifters, timing chain complete bolt kits and an Edelbrock gasket set. I was not planning on replacing until next winter, but I came across these heads a reasonable price I think ($300). Jun 3, 2018 · The open pressure was about 100 lbs less than the Edelbrock springs in most cases. Comp Cams. 02/1. I do not know too much (yet) about a head swap. 60 valves. FINAL DAY! $20 Off $250 $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY The Edelbrock #60079 Performer RPM cylinder head is designed for use with 1961-76 390-427-428 Ford applications. EDELBROCK 1200 PERFORMER™ HEADS FOR SPORTSTER® 1200 Performer Cylinder Heads for Evolution® Sportster® have superior flow for maximum power. I have your Edelbrock cylinder heads and #9680 head bolt bushing kit for my 302 Ford, do I need to run the hardened head bolt washers still? When using the Edelbrock #9680 head bolt bushings a head bolt washer is no longer needed. Sold as a bare casting, not a complete assembled head. Edelbrock is pretty good at giving major torque specs (head bolts, spark plugs) but doesn't say a thing about appropriate torque for accessories and I've partially stripped one of the A/C bracket holes in the intake. 95. The Edelbrock Performer RPM Street Cylinder Head is designed for street high performance use, and is interchangeable with any early-style (1965- 75) large oval port big-block Chevrolet cylinder head. The cylinder head is fully CNC ported for maximum horsepower and torque, making them ideal for high-performance's street and light duty racing. . Edelbrock Performer™ heads can be used with unmodified, stock pistons and the stock valve Edelbrock Performer Cylinder Heads. ) 5. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. 125" material to the interior of the heads at the back of the stud holes so that the studs are not screwed directly into the water jacket like the old ones in the iron heads. This cylinder head includes your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) or 70cc combustion chambers and high flow intake and exhaust ports. The Edelbrock #60859 Small-block Chevy cylinder head is designed for 1987-95 Throttle Body Injected (T. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY Mar 8, 2011 · The price was nice($830 from Summit-at the time) and I wanted to try something a bit different than my Trickflow TW heads. with ARP Lube. † Exhaust Headers:Any header or manifold designed for original equipment heads will fit Edelbrock Cylinder Heads Head Bolts or Studs:High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum bolt bosses. Available in Hydraulic Roller and Hydraulic Flat Tappet applications this aluminum cylinder head supersedes the previous 60515/60519 Olds The Edelbrock RPM small-block Chevy cylinder head is designed for hydraulic flat tappet camshafts, offering high performance and durability. Exhaust ports are CNC-profiled to match Fel-Pro #1404 exhaust gaskets for 6097 or 1405 for 6098, which are recommended for these applications. Edelbrock engineers work with leading racers like Billy Glidden, John Urist and Pat Musi to produce the ultimate components for racing. Head Bolts or Studs: High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum bolt bosses. E-Tec 200 cylinder heads are high-end street and racing cylinder heads intended for large displacement Performer Pontiac Cylinder Heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. The Edelbrock Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is the perfect performance upgrade for big-block Olds-powered street machines and muscle cars. B. The Edelbrock #60925 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. I called Comp and told them the specs of the Edelbrock heads and they said the cam would work fine. Rocker Arms and Valve Train:Adjustable rocker arms must be Sep 11, 2019 · Designed for non-emissions 302, 327, 350 and 400 c. Bolt threads, underside of bolt heads, and washers should be lubricated with an oil/moly mix prior to installation and torquing. On 289-302 engines with 7/16” head bolts, you must use Edelbrock head bolt bushings with integral washers #9680 and Edelbrock head bolt kit #8552 or stock 7/16” head bolts. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY Free Shipping - Edelbrock Performer RPM Cylinder Heads with qualifying orders of $109. big block Chevy engines, these Edelbrock cylinder heads include heavy-duty exhaust valves that provide the added durability needed for marine applications, and have one-piece, stainless steel intake valves with hardened tips and swirl-polished heads. This Top End Kit produced 450 HP & 541 TQ on a 455 c. 517/0. 100”. They also feature the highest quality and corrected to minimum specs, if necessary. 035” clearance between the piston and any part of the cylinder heads. P. 6" valves, straight plugs. 517-inch lift, 108-degree lobe Edelbrock part #79259 Small Block Ford E-CNC 185 cylinder head is the ultimate in performance. Therefore, non-self-aligning, stamped (i. 575"max valve lift, 165 LBS. 166 In. /lbs. This cylinder head delivers great throttle response and power from 1500 to 6500 Find detailed flow data for Edelbrock aluminum cylinder heads, essential for optimizing engine performance. DESCRIPTION: Edelbrock E-Tec 170 cylinder heads are designed for street/high performance use on 302, 327, 350, and 400 c. q Head gaskets; Edelbrock #7337 q Intake manifold gaskets; Edelbrock #7224 q Exhaust gaskets; Edelbrock #7229 NOTE: Edelbrock Cylinder Head Gasket Set #7368 may also be used in place of individual gaskets. Mar 17, 2015 · C4 Tech/Performance - Edelbrock 6061 Heads for 85 - Hello I need some expert. I have an Performer intake and RPM heads. 97. 76:1 ratio. 5089 - Edelbrock E The Edelbrock #60499 Performer High Compression cylinder head is designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series cylinder head is 50-state street legal and provide outstanding performance from Idle-5,500 RPM's. They are designed for 1962-79 389, 400, 421, 428 and 455 c. d. The Edelbrock E-Street Aluminum Cylinder Heads are designed to be a direct bolt-on for 1986 to 1995 5. OEM head bolts may be used if they meet these specs for length: 1-3/4” (short bolts); 3” (medium bolts); 3-13/16” (long bolts). If you had TTI headers this would be a non issue. Edelbrock equips the complete cylinder head with Manley dual-spring valve springs and titanium retainers good for up to . e. 02-1. I can sell people a better head and they save money over buying the Edelbrock head and then spending to improve them. • Head Bolts or Studs: High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum bolt bosses. #60889 is Performer RPM head, 185 cc intake runner volume, 64 cc chamber, 2. E-Street cylinder heads are designed for use with flat-top pistons. 880" lift. 7L small-block Chevy Corvette engines originally equipped with center bolt valve covers. Redfire Paint w/ silver Oct 07 306, 650 Holley 4150, Stealth, Performer Heads, B Cam, MAC Oval port cylinder heads for big-block Chevy engines with hydraulic roller cams. 5:1 compression. 850" intake/1. 2. 88" Valves - Edelbrock, LLC. Edelbrock Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. $1,469. Jan 21, 2014 · PN 5090 E-Street assembled cylinder heads. Edelbrock 7380 - Complete Head Gaskets Set for Chevy LT1 1992-1997 $103. I) 5. PN 1621-16 Pro-Magnum Rocker Arms. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. Performer/Performer RPM Small Block Chevrolet Cylinder Heads Rev. 02"-1. BES / Edelbrock Victor 7721 Heads: Price: The most popular SBF head, for anything from a serious street engine to heads up class racing, this head has seen it all. The Edelbrock #60459 Performer RPM O-Port cylinder heads are designed for Big-Block Chevy applications. Are you looking for a set of entry-level street performance heads for your modern street rod, muscle car, or truck? Edelbrock E-Street cylinder heads are just the ticket. The Edelbrock #61409 Victor 24deg CNC cylinder head features an extra thick deck and extra material in the spring pockets for a heavy-duty casting that can be used with high-lift cam and heavy spring combinations. Edelbrock E-Street Cylinder Heads. 90” or 2. The Edelbrock #60455 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. I t likely does not apply to your heads if Edelbrock only used it for the angle plug heads but 6061 is also an indicator of the soft near pure aluminum alloy and for comparison a 7075 allow is harder. ), we highly recommend that premium quality hardware be used with your new heads: Head Bolts or Studs: High quality head studs or head bolts with Page 2 2013 Edelbrock LLC Brochure #63-0083 Catalog #60509, 60569, 60575, 60579, 60587, 60589, 60595 & 60599 Rev. The Edelbrock #60975 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 SB Chevy engines with Vortec-style manifolds. Rocker Shaft Stud Kit #6009 provides better rocker shaft retention and is highly recommended for use with Edelbrock FE heads. You may use Edelbrock Head Bolt Kit #8552 or stock 7/16" bolts on 289-302 engines only if you purchase Edelbrock head bolt bushings with integral washers #9680. Cylinder Heads, Performer RPM, Edelbrock, Olds 400-455, Assembled. Answered by: jshook. Call for price. • Edelbrock offers cylinder heads machined to the proper specifications for use with Fel-Pro Locwire head gaskets only as shown in the table to the right: Standard Head # 60259 60359 60379 60399 Machined for Locwire Head Gaskets 60269 60279 60289 60299 SPECIFICATIONS Head Bolt Torque: Intake Bolt Torque: Rocker Studs: Rocker Stud Torque Jul 12, 2009 · In this tech article HOT ROD takes a look at the new, affordable line of Edelbrock E-Street cylinder heads for small-block Chevy and Ford engines with full specs and flow testing - Hot Rod Magazine Oct 3, 2005 · Edelbrock Performer torque specs Jump to Latest 6. I'm sorry, but I don't consider an increase of up to 40% of Open Pressure a "little extra pressure". Edelbrock Cylinder Head Gasket Set #7364 may also be used. Edelbrock manufactures their heads right here in the USA from A356 aluminum castings that are heat treated to T-6 spec for superior casting strength and quality. Installation Notes: Marital: Ductile Iron <br/>• For B/B Chevy Edelbrock heads with 1. Minimum exhaust valve clearance should be . Shorter checked and corrected to minimum specs, if necessary. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. The complete cylinder heads are assembled with the following components: Edelbrock part #7112 Performer RPM Camshaft is designed for small-block Oldsmobile 350-403 V-8. These heads feature raised runners, revised chambers and relocated valves for all-out competition. Engines with ½" diameter head bolts (351-W and 302 SVO) use Edelbrock Head Bolt Kit #8553 or stock 351-W bolts with high quality head bolt washers such as ARP #200-8533. The Edelbrock #60069 Performer RPM Cylinder Heads are designed for use with 1961-76 390-427-428 Ford applications. ROCKER ARMS AND VALVE TRAIN:These cylinder heads are Recommended head bolts are Edelbrock Head Bolt Kit #8557. Designed for 396-502 c. In some cases, we may offer 2 different CNC ported versions such as our Stage 3 ported LA or magnum Edelbrock heads, and the BigMouth heads with pushrods moved over to widen the port at the pushrod restriction and increase the port volume. Performer heads include a drilled exhaust cross-over, to meet emissions requirements. ) and Tuned Port Injected (T. The use of On 289-302 engines with 7/16” head bolts, you must use Edelbrock head bolt bushings with integral washers #9680 and Edelbrock head bolt kit #8552 or stock 7/16” head bolts. Edelbrock 7243 - Intake Gaskets for 1992-1997 Chevy LT1 Specs: Deck Thickness: 5/8 Free Shipping - Edelbrock Performer RPM Cylinder Heads with qualifying orders of $109. 110”. Free Shipping - Edelbrock Performer RPM Cylinder Heads with qualifying orders of $109. ), we highly recommend that premium quality hardware be used with our heads. Edelbrock head bolt kit #8560 includes all bolts which must be used with these cylinder heads (Also use Edelbrock Head Bolt Bushings #9680 in place of washers on if installing heads on a 302 block). PN 8591 head bolt set. ROCKER ARMS: Adjustable 1. CNC Ported Heads. So, it's important to study the complete chart, not just the single data point. 050, 0. 97 . You'll end up wasting $1000 before you're done and still be down 100 hp. " doesn't address the question why Edelbrock spring specs are different. With out of the box parts I believe the most power I attempted with them was about 470HP, not saying it wouldn't have made more with different parts, but I wasn't going for max effort. The Edelbrock #60759 Performer cylinder head is designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. PN 3924 long reach spark plugs and corrected to minimum specs, if necessary. These heads feature an improved overall oil drain circuit. 02” (1. of seat pressure, stainless steel valves,chrome moly retainers, and seals. 0L Ford V8 engines. This cylinder head delivers great throttle response and power from 1500 to 6500 Find Edelbrock 6071 Designed for non-emissions 302, 327, 350 and 400 c. Performer center bolt cylinder head is 50-state street legal and accept factory center bolt valve covers. 11. Minimum intake valve clearance should be . The end result is a competition-ready cylinder head that features race-winning technology right out of the box. ), we The Edelbrock #60989 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 SB Chevy engines with Vortec-style manifolds. ), we highly recommend that premium quality hardware be used with your new heads. Jan 27, 2016 · I have a set of NOS 6089 Edelbrock rpm performer heads and I am struggling to find the flow numbers. 4K views 4 replies 3 participants last post by Tom Mobley Oct 3, 2005 Oct 27, 2008 · The angled plug heads like the Eddy RPM/Indy EZ will require some bashing of the header tubes to clear the plugs & ignition wires. They feature larger runners for increased airflow, revised exhaust ports and larger dia. 390 GT exhaust manifolds will not fit. engines up to 1986, these heads made 420 horsepower with the Performer RPM Power Package for small-block Chevys. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: GETREADY The Edelbrock #60459 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. springs for high lift camshafts. Edelbrock Head Bolt Kit Mar 26, 2014 · Edelbrock's website shows #60889, but no #6089. If you try and fix up the old heads, you'll probably make 100 hp less then with the AFR heads. engines up to 1986, these heads made 420 horsepower - Performer RPM with angled plugs 70cc - Performer R Non-emissions 302, 327, 350, and 400 cid engines Free Shipping - Edelbrock Performer RPM Cylinder Heads with qualifying orders of $109. jkk ihwen rgqwc zvje xqbyuj cuyme aog kml miuphil uowqx