The Wilwood rear electronic parking brake kit for 1988–1998 GM C1500 featuring a 12.19-inch SRP rotor with a 3.25-inch offset is specified for the rear electronic parking brake application on those model years. The SRP rotor designation indicates the rotor variant provided, and the kit is intended as a direct-fit option to match the listed rotor size and offset for the covered C1500 rear application.
Wilwood 88-98 GM C1500 Rear Electronic Parking Brake Kit Black 12.19in SRP Rotor 3.25in Offset