Description
Proper oil passage alignment is critical for preventing inadequate lubrication and premature wear in Big Twin and Twin Cam engines. Misaligned oil holes between the crankcase and tappet block can result in starved bearings and catastrophic engine failure. The JIMS Tappet Alignment Tool eliminates guesswork during assembly, ensuring oil reaches every critical component with precision.
This U.S.A.-manufactured tool handles the demanding alignment work required for Big Twin tappet blocks, Evolution rocker box bases, and Twin Cam oil pump setup. Whether you’re rebuilding a classic Harley or performing preventative maintenance on a modern engine, this tool delivers the accuracy professional mechanics and serious enthusiasts demand.
- Fits: 1976–1999 Big Twin
- MPN: 33443-84
- Application: Tappet block alignment
- Secondary uses: Rocker box bases, oil pump
- Material: Precision-manufactured steel
- Origin: Made in U.S.A.
- Installation: Bolt-on / hand-alignment
- Design: Compact, lightweight
- User level: Professional and DIY
