Edelbrock NHRA Approved Performer RPM Cylinder Head - Assembled - 2.020 / 1.600 in Valve - 171 cc Intake - 63 cc Chamber - 1.460 in Springs - Small Block Mopar PowerBond Harmonic Balancers Direct Replacement

Direct Replacement

Features: Increase Range Up to 30%

1976-1980 Chevrolet C10 Cheyenne CID 400 Naturally Aspirated GAS

The kit includes two Aluminum Pivot Screws with integral Pivot Washers

Chevy Corvette 1991-96

Edelbrock NHRA Approved Performer RPM Cylinder Head - Assembled - 2.020 / 1.600 in Valve - 171 cc Intake - 63 cc Chamber - 1.460 in Springs - Small Block Mopar PowerBond Harmonic Balancers Direct ReplacementDirect bolt on heads for 1961 76 390 427 428 Ford Stock and Super Stock racers. No port profiling or bowl blending of ports. Engraved with the NHRA Logo on both ends. Number 60087 is sized for 2. 09in. 1. 66in. valves for 427 low riser applications. Edelbrock, 340 Chrysler, Hydraulic Roller Cam, V8, Cylinder Heads, 60179, Flat Tappet Make 417 horsepower and 397 ft lbs. of torque on pump gas with an Edelbrock Performer RPM intake manifold and matching