The Edelbrock #60455 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60455 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...

The Edelbrock #60459 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. 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. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the...

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...

The Edelbrock #60555 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60555 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 2500 to 7000 rpm. They also feature...

The Edelbrock #60559 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60559 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 2500 to 7000 rpm. They also feature...

The Edelbrock #60575 Performer cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60575 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...

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...

The Edelbrock #60595 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 #60595 Performer RPM head with the 72cc combustion chamber are for higher compression engines. Performer RPM head is perfect for street performance, daily...

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...

The Edelbrock #60665 Performer RPM cylinder head is designed for 1968-87 429/460 Big-Block Ford applications. The Edelbrock #60665 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 Edelbrock #60669 Performer RPM cylinder head is designed for 1968-87 429/460 Big-Block Ford applications. The Edelbrock #60669 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 Edelbrock #60675 Performer RPM cylinder head is designed for 1968-87 429/460 Big-Block Ford applications. The Edelbrock #60675 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...