
COMP Cams Stage 1 Thumpr camshaft for Gen III LS 4.8L/5.3L/6.0L truck applications is a hydraulic roller profile aimed at delivering the Thumpr sound and improved midrange torque. The budget‑friendly No‑Springs‑Required (NSR) version suits performance truck builds seeking sound and power without extensive valvetrain changes, making it a practical cam upgrade for everyday performance truck use.
COMP Cams Camshaft for Gen III LS 4.8L/5.3L/6.0L Truck