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CLICK HERE to customize your own Yamaha
DYNO JET POWER COMMANDER APPROVED TUNING CENTER 
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- Converts existing hydraulic tappets to mechanical operation
- Provides a new pushrod seat and plug assembly that prevents oil from entering the hollow tappet body
- Also features improved geometry and a 25% weight reduction from the stock tappet/pushrod
- Chromoly steel pushrods included
NOTE: Installation of mechanical tappet kits requires the removal of the camshaft from the engine or “top-end” disassembly.
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