This 5/16" Arbor/Pilot from COMP Cams is required for use with Spring Seat Cutters and Guide Cutters. Arbor/Pilots from COMP Cams will also work with the valve guide cutters used for shortening the guide for a high lift cam or installing a COMP Cams Teflon seal for oil control.
This arbor is designed to center a spring seat or valve guide cutter in applications with a 5/16" valve.
5/16" Arbor/Pilot for use with COMP Cams Spring Seat and Guide Cutters
