Isky Cams Valve Spring Shim Kit - 0.010/0.015/0.020/0.030" Thick - 1.250" OD - Steel 016439NRSI X-PIPE W/CONVERTERS-FITS 1633 SERIES HEADERS

X-PIPE W/CONVERTERS-FITS 1633 SERIES HEADERS

GM Fullsize Truck 1973-76

000 in ID Coil-Over Springs

2007 Chevrolet Silverado 1500 Classic

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

Isky Cams Valve Spring Shim Kit - 0.010/0.015/0.020/0.030" Thick - 1.250" OD - Steel 016439NRSI X-PIPE W/CONVERTERS-FITS 1633 SERIES HEADERSProduct 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