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The Edelbrock #60499 Performer Bare 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. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60499 Performer Bare High Compression Cylinder Heads are designed for BB Chevy Oval Port V8 engines. The Performer heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• Match with Edelbrock Multi-Point EFI to Maximize

The Edelbrock #60059 Performer RPM Bare cylinder head is designed for use with 1961-76 390-427-428 Ford applications. Edelbrock Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60059 Performer RPM Bare Cylinder Heads are designed for use with 1961-76 390-427-428 Ford applications. Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:FE:332 (5.4L)/352 (5.8L)/360 (5.9L)/390 (6.4L)/406 (6.6L)/410 (6.7L)/427 (7.0L)/428 (7.0L)

• Hand-Blended Intake and Exhaust Bowls

The Edelbrock #60069 Performer RPM cylinder head is designed for use with 1961-76 390-427-428 Ford applications. Edelbrock Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60069 Performer RPM Cylinder Heads are designed for use with 1961-76 390-427-428 Ford applications. Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:FE:332 (5.4L)/352 (5.8L)/360 (5.9L)/390 (6.4L)/406 (6.6L)/410 (6.7L)/427 (7.0L)/428 (7.0L)

• Cobra Jet-Sized Valves Create Excellent Flow

The Edelbrock #60079 Performer RPM cylinder head is designed for use with 1961-76 390-427-428 Ford applications. Edelbrock Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60079 Performer RPM Cylinder Heads are designed for use with 1961-76 390-427-428 Ford applications. Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:FE:332 (5.4L)/352 (5.8L)/360 (5.9L)/390 (6.4L)/406 (6.6L)/410 (6.7L)/427 (7.0L)/428 (7.0L)

• Cobra Jet-Sized Valves Create Excellent Flow

The Edelbrock #61559 Performer RPM Marine-Duty cylinder head is designed for use with Rectangular Port Big-Block Chevy Marine applications. The Edelbrock #61559 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
Edelbrock part #61559 Performer RPM Marine-Duty cylinder heads are designed for use with Rectangular Port Big-Block Chevy Marine applications.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• Match With Performer RPM Manifold

The Edelbrock #60399 Performer cylinder head is designed for use with 1982-95 50.L & 5.8L V8 applications. These Edelbrock Performer Series cylinder head is 50-state street legal and provide outstanding performance from Idle-5,500 RPM’s. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60399 Performer Cylinder Heads are designed for use with 1982-95 50.L & 5.8L V8 engines. The Edelbrock Performer heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:Small-Block Windsor:302 (5.0L)/351 (5.8L)

• Accepts V8 Valvetrains

The Edelbrock #60879 Corvette center bolt cylinder head is designed for 1986-91 Tuned Port Injected (T.P.I) 5.7L small-block Chevy Corvette engines originally equipped with center bolt valve covers. Performer center bolt cylinder head is 50-state street legal and accept factory center bolt valve covers. The intake bolt pattern utilizes the 1986-91 (straight) 90deg angle on all bolts. Spark plugs are angled like a stock O.E. head. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60879 Corvette center bolt cylinder head is designed for 1986-91 Tuned Port Injected (T.P.I) 5.7L small-block Chevy Corvette engines originally equipped with center bolt valve covers.
Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• 60cc Combustion Chambers Improve Performance

The Edelbrock #60379 Performer cylinder head is designed for use with 1982-95 50.L & 5.8L V8 applications. These Edelbrock Performer Series cylinder head is 50-state street legal and provide outstanding performance from Idle-5,500 RPM’s. The Edelbrock Performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60379 Performer Cylinder Heads are designed for use with 1982-95 50.L & 5.8L V8 applications. The Edelbrock Performer heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:Small-Block Windsor:302 (5.0L)/351 (5.8L)

• Accepts V8 Valvetrains

The Edelbrock #60589 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60589 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60589 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head.
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)

• Thicker Deck Surfaces Than Other Brands

The Edelbrock #60599 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60599 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60599 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head.
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)

• Patterned After The Ram Air IV Pontiac Cyl. Head

The Edelbrock #60579 Performer cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60579 Performer cylinder head is 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. A performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.
The Edelbrock #60579 Performer cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60579 Performer cylinder heads are 50-state emissions legal for 1965-79 vehicles.
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)

• Seats and Manganese-Bronze Guides Included

The Edelbrock #60509 Performer RPM cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #60509 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional cylinder head porter. They include valve guides and seats installed with no intake pushrod holes.
The Edelbrock #60509 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head.
Pontiac:-:326 (5.3L)/350 (5.7L)/389 (6.4L)/400 (6.6L)/421 (6.9L)/428 (7.0L)/455 (7.4)

• Patterned After The Ram Air IV Pontiac Cyl. Head