Lifters - Race Series - Twin Cam405244Caracteristicas: Full travel hydraulic lifters made from machined steel Exceed the needs of large lift camshafts and higher spring pressures with a slower bleed down rate Maintain proper and critical oil flow to valves, springs, rockers, shafts and valve guides Increase engine RPM and valvetrain stability; decreases valve float for maximum valve lift Recommended for both strip and performance street engines Made in the U. S. A. High volume oil pump