Fueling 4017 Race Lifters M8
- 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
- High-volume oil pump recommended.
- Recommended for engines running higher than 185 lb. valve spring seat pressure.
- Made in the U.S.A.