Isky Cams Valve Spring Shim Kit - 0.010/0.015/0.020/0.030" Thick - 1.250" OD - Steel 016439NRSI Vehicle Applications: GMC SIERRA 1500

Vehicle Applications: GMC SIERRA 1500 CREW CAB/CHEVROLET SILVERADO 1500 CREW CAB 19-20

1957-1963 Oldsmobile Starfire

Roller Camshaft Conversion

axle retainer

Flowmaster's race-oriented Outlaw Cat-back systems are designed to mount behind the factory catalytic converters for 50 state emissions legality

Isky Cams Valve Spring Shim Kit - 0.010/0.015/0.020/0.030" Thick - 1.250" OD - Steel 016439NRSI Vehicle Applications: GMC SIERRA 1500Product Description: Valve Spring Shim Kit 0. 010 0. 015 0. 020 0. 030 in Thick 1. 250 in OD Steel As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily in Isky's new enlarged dyno facility. To properly evaluate and prove the efficiency of Isky racing cams and valve train components, Isky