Comp Cams turbo and blower HRT camshafts are available in a variety of mild-to-aggressive styles. These replacement hydraulic roller tappet models work with your blower, turbo, or supercharger to help provide the most power possible. Choose the grind and options needed for your vehicle and engine application.

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COMP Cams Camshaft, Mutha' Thumpr 4/7 Swap, Hydraulic Roller, Advertised Duration 291/311, Lift .574/.558, For Chevrolet 348-409, Each

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