- 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.
- Nickel-Chrome valve seats stones are designed for use on aluminum heads with chrom-alloy seat inserts
- These stones won't load up or groove under proper use
- Speckled abrasive
- 13/16" x 13 thread