HP+ Performance High Capacity Lifters. Fits Big Twin 1985-1999 & Sportster 1986-1990.

Product Details Features & Benefits:-* Performance hydraulic roller lifters* Optimized oil flow to top end – valves, springs, rockers, shafts & valve guides* Cooler oil and reduced wear* Extends life of top end valve gear* CNC machined and precision ground* Drop in replacement for stock lifters* Dyno developed and track tested* Replaces OEM # 18523-86 & 18568-98Tech Tips:-* Use an oil can to Pump the lifter full of oil prior to Assembly.< P>Made in the U.S.A. MFR PART No: 4061 ROLLIES PART No: FE-4061 Download Product information ( PDF)