JIMS Powerglide™ Tappets — 0.7360" diameter, Oversize +0.005" – 66-84 Big Twin, 80, 83-84 Touring, 82-83 FXR

These lifters run in cast iron or aluminum valve-lifter blocks and provide a true center-line for roller life and exact cam timing. 🔧

They are produced from billet bearing metal and feature a state-of-the-art pushrod seat machined with the same segmented parabolic cup used on roller rockers.

Recommended clearance when fitting the lifters to the blocks is .0007" to .0012" to ensure proper operation.

The hydraulic unit is hand fit to a running fit of .0002" using an ultra-precision air gauging system for consistent performance.