Edelbrock Single Perf RPM BBC Rect Port Head Bare

The Edelbrock #60549 Performer RPM Bare Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60547 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 #60549 Performer RPM Bare Rectangle Port cylinder heads are designed for BB Chevy applications. The #60547 Performer RPM 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)

• Smaller-Than-Stock 11/32 in. Valve Stems Promote Excellent Flow