FEULING OIL PUMP CORP. Valve Spring Seat Cutter - M8 9023

Valve Spring Seat Cutter - M8 Machine valve spring seats for proper installed spring height and spring cup fitment, Cutter bodies and pilots are interchangeable, Hardened pilots fit all 3/8" and 1/2" hand drills , Cuts spring seat 0.550" x 1.180"