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The COMP Cams Stage 1 Thumpr 218/229 hydraulic roller cam kit is prepared for Gen III LS 4.8–6.0L truck engines, delivering the characteristic Thumpr sound and truck-focused power curve. The kit includes pushrods, LS6+ valve springs, retainers, locks, spring seats and seals to provide a complete camshaft upgrade package intended for direct installation on the specified LS Gen III V8 platforms.
COMP Cams Stage 1 Thumpr 218/229 Hydraulic Roller Cam Kit for Gen III LS 4.8/5.3/6.0L Trucks
