These Edelbrock Performer RPM aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. The intake and exhaust ports are CNC machine "matched" and have been designed for maximum flow velocity when matched with our Performer RPM intake manifold #7161 (for square-bore carbs) or #7164 (for spread-bore carbs), Performer RPM cam … This high nickel content gives the valves improved strength and resistance in high-heat conditions, as would be the case when using a supercharger. It comes with the lifters. Edelbrock's newest Performer RPM II intake manifold goes into a dyno battle with the original RPM intake, see the results at 5.0 Mustang & Super Fords Magazine. DESCRIPTION: The Edelbrock Performer, Performer RPM, and Performer 5.0/5.8L Street Cylinder Heads are designed for street high performance use, and are interchangeable with original equipment small-block Ford cylinder heads. ..125" raised rectangular intake port; 72cc combustion chamber increases the compression ratio from 8.5:1 to 9.5:1; Working within the existing RPM range of the stock engine (idle to 5500 rpm). Performer & Performer RPM Heads for Street Legal and Street High-Performance. They also feature hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. EDELBROCK PERFORMER™ CYLINDER HEADS Increase your torque 35% and your horsepower by 42% with the Edelbrock® package of Performer™ and Performer RPM™ aluminum cylinder heads and intake manifolds. Edelbrock Performer RPM Cylinder Heads for Ford 351C/351M/400M. It comes with our air gap intake. … Edelbrock Performer RPM Small Block Chevrolet Cylinder Heads The Performer RPM Small Block aluminum cylinder heads are designed for Small Block Chevy 265, 283, 302, 305, 307 327, 350 and 400ci engines up to 2003. Testing our car after installing the Edelbrock E-Street cylinder heads, horsepower climbed to over 276.06 and torque was up by some 20 lb-ft to 335.44 lb-ft at peak. New from Edelbrock – the Performer RPM cylinder head for 2003-Present Gen III HEMI engines. The Edelbrock #60599 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. These heads are built tough and designed to flow more air than stock for more horsepower. NOTE: These heads are drilled for 1/2" diameter head bolts as used on 351-W engines. Edelbrock Performer RPM Heads for 5.7L Hemi Engine: Testing to See How Much Horsepower Can Be Made – Hot Rod . On our 2006 5.7L-based test engine, we picked up 49 hp and 28 lb-ft … See more details below. This particular kit is a horsepower range for about 367 horsepower for the 289 to 302 engine platform. 01/23/2020. For our first run with the Edelbrock heads, we went back to the Performer RPM two-plane intake and ran the engine against the dyno for the numbers. Steve Dulcich writer. Performer Ford and Performer 5.0/5.8L heads have exhaust Edelbrock sells the Performer either bare or complete with springs, retainers, and keepers. $1,029.50 Ships directly from the manufacturer on 04/15/21 FREE Shipping Lowest Price Guarantee. These Edelbrock Performer Series cylinder head is 50-state street legal and provide outstanding performance from Idle-5,500 RPM's. With the Vortec heads in place, that number was 323 lb-ft, and the horsepower peak was 298 at 5,300 rpm. With 10 to 12 inches of manifold vacuum at idle, Performer RPM cams have more lift and duration than most street camshafts. On our 2006 5.7L-based test engine, we picked up 49 hp and 28 lb-ft of torque by simply bolting them on. Head selection is also easy with a set of Edelbrock Performer RPM heads that offer 2.19/1.76-inch valves and good flow right out of the box. Find Edelbrock Performer RPM Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Part # 32560925. It comes with our RPM cylinder heads. DESCRIPTION: Edelbrock Performer RPM FE Cylinder Heads are designed for street high performance use on 1961-1976, 390-427-428 FE V8s, and are interchangeable with original equipment FE Ford cylinder heads. These heads feature the highest quality intake and exhaust valves and … The Edelbrock Performer RPM heads had excellent flow numbers, and they provided exceptional power and torque during our dyno testing. PERFORMER RPM ALUMINUM CYLINDER HEADS for Big-block Chevrolet V8s CATALOG #60449* (bare) and #60459* (complete) ... well as top-end horsepower. The heads are available with three different combustion chamber sizes including 67cc, 73cc, and 83cc. The performance range is 1500-6500 rpm for great throttle response throughout the power band as well as top-end horsepower. To mount these heads … Car Craft installs and tests the newly released Edelbrock Victor 440 Heads to its older siblings, the Performer RPM. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is … Edelbrock uses a material for their valves known as 21-4N (the 4N stands for 4% nickel content), which is a specialty stainless steel, in all of their Performer RPM cylinder heads. Home » Tuning & Technology » Edelbrock Performer RPM Heads for 5.7L Hemi Engine: Testing to See How Much Horsepower Can Be Made – Hot Rod. Using highly efficient ports and state-of-the-art combustion chamber shapes, Edelbrock cylinder heads offer improved performance throughout the rpm range for great throttle response and top-end horsepower. Official Release: Edelbrock is excited to announce the release of its much-anticipated Performer RPM cylinder head for 2003-Present Gen III HEMI engines. These heads deliver great throttle response and power from 1500 to 6500 rpm. Yes, the new Edelbrock Performer RPM heads are good. Edelbrock Performer RPM Cylinder Heads. BENEFITS OF BUYING DIRECT FROM EDELBROCK. The Edelbrock heads shifted the power curve slightly, with the peak horsepower number occurring 700 rpm later (5,300 rpm vs. 6,000 rpm). Use Edelbrock Head Bolt Kit #8553 or stock Ford 1/2" head bolts with hardened washers (ARP #200-8533) to mount these heads on 351-W engines. Edelbrock 60925 Performer RPM Cylinder Head, Big Block Mopar Chrysler Big Block V8, Assembled Cylinder Head Style, Aluminum, Natural, Angle Spark Plug Style. Performer Ford and Performer 5.0/5.8L heads have exhaust Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock’s manufacturing facility in the USA, Edelbrock heads are the best in quality and performance. See all 1 photos. Fast Shipping. Tech Support. We offer two different kits, the Performer Series, and an RPM. PERFORMER RPM™ CYLINDER HEADS Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. Pontiac engines, these heads are patterned after the 1969 -70 Ram Air IV Pontiac cylinder head. This new head features a modern 77cc combustion chamber, new larger 2.150″ intake valve and updated ports for improved flow characteristics. The unique design of the Edelbrock® cylinder heads incorporate three exclusive features within the Performer™. Test 2 employed the longer-duration Performer RPM grind. These hydraulic lifter camshafts are dyno-matched to Performer RPM manifolds for high-rpm horsepower while still maintaining acceptable low-end torque. Increase your torque 35% and your horsepower by 42% with the Edelbrock® package of Performer™ and Performer RPM™ aluminum cylinder heads and intake manifolds. Edelbrock Performer RPM heads produce outstanding horsepower with excellent low speed torque and throttle response. They work with stock … Yes, the new Edelbrock Performer RPM heads are good. The intake and exhaust runners are CNC-profiled for superior flow and performance. These street high-performance heads provide out of the box, bolt-on performance with no additional porting required. Out of stock. One point worth noting is that if stock-stamped steel rockers will be used with the Performer or Performer RPM heads, 0.100- inch longer pushrods are required in order to generate the proper rocker geometry. Designed for street high-performance applications, Performer RPM cams provide power from 1500 to 6500 rpm. Feb 1, 2001. Designed for 1965-79 389-455 c.i.d. This kit comes with a cam shaft. They offer improved power throughout the rpm range for great throttle response and top-end horsepower. The Performer RPM Power Package produced 400 horsepower in dyno tests on a 351-W Ford with 9.5:1 compression on pump gasoline. These heads provide great torque and horsepower up to 5500 rpm. DESCRIPTION: The Edelbrock Performer, Performer RPM, and Performer 5.0/5.8L Street Cylinder Heads are designed for street high performance use , and are interchangeable with original equipment small-block Ford cylinder heads. Edelbrock 440 - Performer RPM B/RB Heads First Look: Edelbrock's New Big-Block Wedge Heads. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. SKU. Test 1 is using the Performer-Plus Edelbrock cam. TORRANCE, CA – Edelbrock has heard the requests from the Oldsmobile faithful and is responding by releasing a new and improved Performer RPM Cylinder Head for the Big Block Oldsmobile V8. High-quality. Pontiac engines. Easy Returns. 60599. The Edelbrock #60379 Performer cylinder head is designed for use with 1982-95 50.L & 5.8L V8 applications. Notify me when this product is in stock.