- Feuling® recommends a lifter to lifter bore clearance of 0.001" - 0.0015" for optimum lifter performance
- Designed to accurately measure lifter bore diameter and bore roundness
- Includes sizes; 0.8430", 0.8435", 0.8440", 0.8445" and 0.8450"
- Made in the U.S.A.