With more than 100 years of operation. Manufacturer: PAC Racing Springs. Valve Spring Shim - 0.030 in Thick - 1.500 in OD - 0.570 in ID - Steel - Set of 16.
PAC Racing Springs Spring Shims - 1.250 OD .050 Thick PAC-S188-16
PAC Racing Springs Spring Shims - 1.250 OD .030 Thick PAC-S189-16
PAC Racing Springs Spring Shims - 1.500 OD .015 Thick PAC-S187-16
PAC Racing Springs Spring Shims - 1.500 OD .015 Thick PAC-S195-16
