Jims +.005in. Hydraulic Tappet. Fits Big Twin 1953-1984.

Description

* These tappets will run in cast iron or aluminum tappet blocks

* Recommend fitting the tappets to the blocks with a clearance of .0007in. to .0012in.

* 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 .0002in., with ultra-precision air-gauging system

* Sold Each.