Edelbrock Cylinder Head, 60815, Performer RPM 348/409 Chevy Hydraulic Roller Camshaft

The Edelbrock #60815 Performer RPM cylinder head is designed for 1958-1965 Chevrolet "W" Series 348/409 big-block applications. The Edelbrock #60815 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.

(Designed for 348/409 "W" series Big-Block Chevrolet engines from 1958-1965

Includes the highest quality intake & exhaust valves with valve springs

Fits 1958-1965 348 c.i. "W" engines only if used with an Edelbrock #5409, #7159, or a stock large port 409 c.i. manifold

CNC port-matched intake & exhaust ports with enhanced design

The 1958 348 c.i. may need the cylinder to be notched for intake valve to cylinder wall clearance

Suitable for 348 engines with valve lifts up to .550"

Verify proper cylinder wall notching to ensure clearance between exhaust valve & cylinder

Installation Notes: Deck Thickness: 9/16", rocker stud diameter: 7/16", pushrod diameter:3/8" (width of slot in guide-plate)