Engine & PerformanceValves & Springs PAC 1.040 OD, 0.615 ID, 0.015 Thickness Shim Engine & PerformanceValves & Springs PAC 1.040 OD, 0.615 ID, 0.020 Thickness Shim Engine & PerformanceValves & Springs PAC 1.040 OD, 0.615 ID, 0.030 Thickness Shim Engine & PerformanceValves & Springs PAC 1.250 Dia Shim Kit- (64 pcs total) Engine & PerformanceValves & Springs PAC 1.250 OD, 0.570 ID, 0.015 Thickness Engine & PerformanceValves & Springs PAC 1.250 OD, 0.570 ID, 0.020 Thickness Engine & PerformanceValves & Springs PAC 1.250 OD, 0.570 ID, 0.030 Thickness Shim Engine & PerformanceValves & Springs PAC 1.250 OD, 0.570 ID, 0.050 Thickness Shim MiscellaneousTools & Hardware PAC 1.400″ to 1.900″ Height MIC – Orange MiscellaneousTools & Hardware PAC 1.400″ to 2.000″ Height Mic for LS Dual Retainers – Purp Cylinder HeadCylinder Head|Head Assy PAC 1.500 Dia Shim Kit- (64 pcs total) Cylinder Head|Engine & PerformanceEngine & Performance PAC 1.500 Dia Shim Kit- (64 pcs total) Engine & PerformanceValves & Springs PAC 1.500 OD, 0.570 ID, 0.015 Thickness Shim Engine & PerformanceValves & Springs PAC 1.500 OD, 0.570 ID, 0.020 Thickness Shim Engine & PerformanceValves & Springs PAC 1.500 OD, 0.570 ID, 0.030 Thickness Shim Engine & PerformanceValves & Springs PAC 1.500 OD, 0.570 ID, 0.050 Thickness Shim 1 2 3 4 … 54 55 56 →