Jims Tools 9480457 Rocker Arm Bushing Line Reamer for Harley-Davidson

The Jims Tools 9480457 Rocker Arm Bushing Line Reamer is a precision tool designed to ream rocker arm bushings to factory specifications, ensuring proper alignment and oil clearance in Harley-Davidson engines. This specialized reamer achieves the critical fit tolerance of 0.0007 to 0.0012 inch clearance between the rocker arm bushing and rocker shaft, which is essential for optimal valve train performance and longevity.

Key Features:

• Precision line reaming capability for proper bushing alignment
• Achieves factory-spec fit of 0.0007 to 0.0012 inch clearance
• Capable of producing 24 microinch surface finish or better
• Includes guide for aftermarket rocker arms
• Compatible with Big Twin engines 1966 to present
• Works with Sportster models 1957 to present
• Fits Buell motorcycles 1987 to present

This professional-grade reamer ensures that both rocker arm bushings are perfectly aligned with each other, preventing premature wear, binding, and oil starvation issues that can occur with misaligned bushings. The tool's ability to produce an exceptionally smooth surface finish reduces friction and promotes proper oil flow through the rocker arm assembly. Essential for engine builders and mechanics performing valve train work on Harley-Davidson powerplants.