Jims Tappets — Oversize (+0.005")

Upgrade your valvetrain with precision-engineered tappets.

Standard solid rollers are designed around three working parts, and the outer roller wall is 27% larger to reduce harmonic distortion and improve cam-lobe tracking.

Pin bearings are decreased in size by 12% to increase rpm for more precise tracking, while the axle is increased 36% and doubles as the inner race so the complete roller assembly rotates around the axle, eliminating all possible movement.

Made in the U.S.A.