Valve Spring Retainers - LT1/LT4 (16) Valve Spring Retainer - 7 Degree - 0.640 in OD Step - 1.320 in Single Spring - Steel - LT4 - GM LS-Series - Set of 16

Valve Spring Shims - 16pk Valve Spring Shim - 0.060 in Thick - 1 in OD - 0.685 in ID - Steel - Ford Flathead - Set of 16

Valve Spring Shim Kit - 0.010 / 0.015 / 0.020 / 0.030 in Thick - 1.250 in OD - Steel - Kit

Valve Spring Shims 1.625in x .030in Valve Spring Shim - 0.030 in Thick - 1.625 OD - 0.645 ID - Steel - Set of 50

Valve Spring Shims 1.625in x .060in Valve Spring Shim - 0.060 in Thick - 1.625 OD - 0.645 ID - Steel - Set of 50

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