COMP Cams Valve Guide Cutter Set for .425"-.625" Valve Guides

COMP Cams Valve Guide Cutter Set for .425" - .625" Precision valve guide cutting from a trusted brand — the COMP Cams Valve Guide Cutter Set is engineered to accurately size valve guides to .425", .446", .494", .500", .530" and .625". Ideal for engine builders, machinists and performance enthusiasts who demand repeatable, true fits for valve stems. Six finished sizes: .425", .446", .494", .500", .530", .625" Accurate & durable: Hardened cutters deliver clean bores and long life for repeated use Versatile compatibility: Works with common valve guide diameters across import and domestic applications Requires arbor/pilot: Use with 5/16", 11/32" or 3/8" arbor/pilot (sold separately) for correct alignment and concentricity Use this set to prepare valve guides for proper stem-to-guide clearance, improved sealing and consistent valve movement. Pair with the appropriate COMP Cams arbor/pilot to ensure concentric cutting and professional results.