S&S Premium High-Performance Hydraulic Tappets
Reduced valve train noise from start up to shut down. Close tolerances for low leak down rates, fast pump up and superior high-RPM performance. Low mass, bearing grade, silicone nitrate check ball and lighter check ball spring, enhances fast pump up and quiet operation.
- '84-'99 Big Twin
- '86-'90 XL
- 100% tested to ensure that leak down and top end oil flow are within specification
- Available with or without the HL2T limited travel kit installed