Valve Spring Shims 50pk .060 GM LS Engines Valve Spring Shim - 0.060 in Thick - 1.300 in OD - 0.520 in ID - Steel - GM LS-Series - Set of 50

Valve Spring Removal Tool - GM LS Engines Valve Spring Compressor - Head-On - Shaft Mount - Aluminum - Natural - GM LS-Series / Mopar V10 - Kit

1.274 Dual Valve Spring GM LS Valve Spring - RPM Series - Dual Spring - 550 lb/in Spring Rate - 1.045 in Coil Bind - 1.274 in OD - GM LS-Series - Each

Valve Spring Shim Kit 16 Each .015/.030/.060 Valve Spring Shim Kit - 0.015 / 0.030 / 0.060 in - 1.290 in OD - 0.520 in ID - Kit

Dual Valve Springs - (16) GM LS Valve Spring - RPM Series - Dual Spring - 425 lb/in Spring Rate - 1.055 in Coil Bind - 1.280 in OD - GM LS-Series - Set of 16

HR Valve Spring Kits - Beehive GM LS Valve Spring Kit - Beehive Spring - 313 lb/in Rate - 1.140 in Coil Bind - 1.290 in OD - Locks / Chromoly Retainer - Viton Seal - Seat - GM LS-Series - Kit