US$ 104.90
2 square-inch runners
250" Spring Lightweight
Includes Clutch Pack/Shims/Diff
2021-2023 Chevrolet Suburban
99-04 Lightning/Harley kit
Isky Cams Valve Spring Shim Kit - 0.010/0.015/0.020/0.030" Thick - 1.250" OD - Steel Ring & Pinion Installation Kit 2 square-inch runnersProduct 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
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