JIMS Powerglide™ Tappets — 0.7330" diameter, oversize +0.002" – 66-84 Big Twin, 80, 83-84 Touring, 82-83 FXR

Powerglide™ tappets precision-machined from billet stock for longevity and accurate operation.

Designed to run in both cast iron and aluminum tappet blocks with recommended block clearance 0.0007"–0.0012".

Provides a true center-line for roller life and exact cam timing to maintain valve train consistency.

State-of-the-art pushrod seat is machined with a segmented parabolic cup matching premium roller rockers.

Hand-fit hydraulic units achieve a running fit of 0.0002" using an ultra-precision air gauging system.

Hydraulic lifter not included. ⚙️