GAUGE LIFTER BORE NOGO

Designed to accurately measure lifter bore diameter and bore roundness

Includes ball sizes; 0.8430″, 0.8435″, 0.8440″, and 0.8450″

Made in the USA

Feuling(R) recommends a lifter to lifter bore clearance of 0.001″ – 0.0015″ for optimum lifter performance.

Fits: EVO ’84-’99, Twin Cam ’99-’17 and M8 ’17-’24 lifter bores.