With more than 100 years of operation. Manufacturer: PAC Racing Springs. Valve Spring Retainer - Inside - 0.060 in Thick - 1.550 in OD - 0.635 in ID - 0.855 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 - 1.550 x .700 x .575 PAC-S105-16
