Description
When you’re pushing your Big Twin or XL to the edge, stock rocker arms become your bottleneck. JIMS Roller Rocker Arms deliver the lightweight efficiency and wear resistance you need to maximize valve timing accuracy and sustain high-RPM aggression without sacrificing reliability. Whether you’re building a race engine or upgrading a street machine, these U.S.-made arms are engineered to handle the demands of serious performance.
- Lightest design available
- 660 bronze bushings
- Bearing-grade steel rollers
- Up to .700″ cam lift
- 1.625 stock ratio
- Fits 1984-2017 Big Twin/XL
- U.S.A. manufactured
- Bolt-on installation
- Severe-duty tested
- Enhanced engine responsiveness
