Valve Stem Seal
Fits Exhaust; Sierra 1500 Base Model; USED SEPARATE SEAL AND SPRING SHIM; 1st Designor Exhaust; Sierra 1500 HD; USED SEPARATE SEAL AND SPRING SHIM; 1st Design
Valve Stem Seal
Fits Exhaust; Sierra 1500 Base Model; USES INTEGRATED SEAL AND SPRING SHIM; 2nd Designor Exhaust; Sierra 1500 HD; USES INTEGRATED SEAL AND SPRING SHIM; 2nd Design
Valve Stem Seal
Fits Intake; Sierra 1500 Base Model; USES INTEGRATED SEAL & SPRING SHIM; 2nd Designor Intake; Sierra 1500 HD; USES INTEGRATED SEAL & SPRING SHIM; 2nd Design
Valve Stem Seal
Fits Intake; Sierra 1500 Base Model; USES SEPARATE SEAL & SPRING SHIM; 1st Designor Intake; Sierra 1500 HD; USES SEPARATE SEAL & SPRING SHIM; 1st Design