- Goodson valve seat wheels are built to grind accurately and outlast the competition
- We use brass bushing to resist galling or seizing to the holder
- Heat-cured, permanent epoxy bonding prevents loose bushings
- Our bushings are deep set to expose the most abrasive for long life
- Each wheel is pre-trued and checked to assure accurate, vibration-free grinding
- Our finishing stones are designed to give an ideal final finish with minimal stock removal
- 13/16" x 13 thread