This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1.680" outer diameter while reducing the outer diameter of the valve guide to .630".
These COMP Cams valve spring seat-cutting tools allow you to machine the cylinder head for the correct diameter valve spring. They will require the use of an arbor pilot (sold separately).
- Requires The Use Of Arbor/Pilot
- 1 Year Limited Warranty
Additional Information: