COMP Spring Seat Cutter 1.550" O.D, .630" I.D (CO4719)

These tools from COMP Cams will allow machining of the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor/pilot, which is available in three different  izes. These arbors/pilots will also work with the valve guide cutters used for shortening the guide for a high lift cam or installing a COMP Cams® PTFE seal for oil control.

• Seat cutters available in many sizes from 1.320"-1.810" O.D.
• Valve guide cutters available to cut guide to .446", .494", .500", .530" or .625"
• Arbors/pilots available for 5/16", 11/32" and 3/8" diameters