Valve guide cutters available to cut guide to .425" - .446" - .494" - .500" - .530" - .625". Requires the use of an arbor/pilot, which are available for 5/16", 11/32" and 3/8" valve stem sizes.
WARNING: This product contains chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.