Fueling 4050STRace Series® Hydraulic Lifters Twin Cam

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 recommended. Recommended for engines running higher than 185 lb. valve spring seat pressure. 2018-2020 Harley-Davidson Iron 1200 XLNS - - 2018-2019 Harley-Davidson Sportster Forty-Eight Special XLXS - - 2016-2020 Harley-Davidson 1200 Roadster XLCX - - 2016-2017 Harley-Davidson Fat Boy S FLSTFBS - - 2016-2017 Harley-Davidson Softail Slim S FLSS - - 2016-2017 Harley-Davidson CVO Pro Street Breakout FXSE - - 2016-2017 Harley-Davidson Low Rider S FXDLS - - 2016-2017 Harley-Davidson Breakout FXSB - - 2016 Harley-Davidson Road Glide Ultra FLTRU