Description
Precision hydraulic tappets are the foundation of reliable valve timing and extended engine life on your Big Twin. JIMS Standard Hydraulic Tappets deliver the tight tolerances and durable construction that separate a well-tuned engine from one that’s constantly fighting mechanical slack. Whether you’re running cast iron or aluminum tappet blocks, these hand-fitted units maintain exact cam timing while maximizing roller longevity.
- Billet bearing steel construction
- Compatible: cast iron, aluminum blocks
- Hand-fitted .0002″ tolerance
- True center-line design
- Segmented parabolic pushrod seat
- Recommended clearance: .0007″–.0012″
- Years: 1953–1984 Big Twin
- MPN: 2464-1
- Bolt-on installation
