With more than 100 years of operation. Manufacturer: PAC Racing Springs. Valve Spring Retainer - Inside - 0.060 in Thick - 1.550 in OD - 0.575 in ID - 0.700 in Spring ID - Chromoly - Set of 16.
PAC Racing Springs Steel C/M Spring Seats - 1.550 x .700 x .635 PAC-S106-16
PAC Racing Springs Steel C/M Spring Seats - 1.270 x .640 x .520 PAC-S121-16
PAC Racing Springs Steel C/M Spring Seats - 1.550 x .770 x .635 PAC-S104-16
PAC Racing Springs Steel C/M Spring Seats - 1.270 x .600 x .520 PAC-S128-16
PAC Racing Springs Steel C/M Spring Seats - 1.450 x .700 x .570 PAC-S114-16
PAC Racing Springs Steel C/M Spring Seats - 1.500 x .715 x .630 PAC-S126-16
