- These tappets will run in cast iron or aluminum tappet blocks
- Recommend fitting the tappets to the blocks with a clearance of .0007" to .0012"
- Produced from billet bearing steel
- A true center-line for roller life and exact cam timing
- State of the art pushrod seat, machined with the same segmented parabolic cup as the JIMS® roller rockers
- Hand fit hydraulic unit to a running fit of .0002", with ultra precision air gauging system
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