COMP Cams 4730 5/16 Arbor/Pilot for Spring Seat and Valve Guide Cutter
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.