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Stock 8.1L / 496 Vortec cylinder heads cannot handle the additional lift of larger aftermarket camshafts. Our camshaft and valvetrain kit eliminates the guesswork. It includes your choice of BP202 (towing applications) or BP203 (street / strip) camshafts, valve springs, stainless steel roller rockers, valve locks, spring retainers and spring rotator eliminators.

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