Comp Cams Spring Shims .060X.520 Idx1.300 Od Gm Ls Series 4788-16

Comp Cams Spring Shims .030X.520 Idx1.300 Od Gm Ls Series 4763-16Valve Spring Shim - 0.030 in Thick - 1.300 in OD - Steel - Set of 16

Comp Cams Spring Shims .015X.520 Idx1.300 Od Gm Ls Series 4717-16Valve Spring Shim - 0.015 in Thick - 1.300 in OD - Steel - Set of 16

Comp Cams Beehive Ls6+ Valve Springs Gm Ls 26906-16Valve Spring - Beehive Spring - 386 lb/in Spring Rate - 1.181 in Coil Bind - 1.282 in OD - Set of 16

Comp Cams 1.320 Dual Valve Springs Gm Ls Engines 26925-16Valve Spring Kit - Dual Spring - 400 lb/in Spring Rate - 1.100 in Coil Bend - 1.320 in OD - Set of 16