Description
Proper valve clearance is fundamental to Big Twin engine longevity and performance, and these Eastern Motorcycle Parts tappet adjusting screw lock nuts are engineered to keep your settings locked in place where they belong. Manufactured to exacting tolerances in the U.S.A., these nuts prevent vibration-induced loosening that can throw off your valve timing and compromise your engine’s reliability. When you’re dialing in your engine, you need fasteners you can trust—this is one of them.
- High-quality steel construction
- 9/32″-32 thread specification
- Big Twin A-series fitment
- Made in the U.S.A.
- OEM-equivalent specifications
- Bolt-on installation
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