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COMP Cams Pro‑Magnum hydraulic flat tappet lifters specified for Ford small‑block and big‑block applications. With .875" diameter, 105g weight and 1.95" seat height, these lifters are designed to hold proper internal piston position at higher RPM and prevent pumping up. They yield improved high‑RPM behavior versus standard hydraulic lifters and list applications including Ford 289–351W, 351C/351M/400M and 429–460 engines.
COMP Cams Pro-Magnum Lifter FS/FC/FF
