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COMP Cams Pro Magnum hydraulic flat tappet lifter is specified for Oldsmobile 260–455 and Pontiac 326–455 applications. The design prevents harmful pumping up at higher RPM and is intended as an upgrade over standard hydraulic lifters, yielding noticeable power improvement where adjustable valve trains are used. This lifter follows COMP Cams Pro Magnum tuning for higher-speed stability.
COMP Cams Pro-Magnum Lifter Oldsmobile/
