![Valve Seat Wheel 1.6875" - 45° - SX-21A](https://s.turbifycdn.com/aah/yhst-58082516732612/valve-seat-wheel-1-6875-45-sx-21a-31.png)
Valve Seat Wheel 1.6875" - 45° - SX-21A
General Purpose wheel recommended for both roughing and finishing of most automotive valve seats. Long lasting, fast cutting and produces a very satisfactory finish. 11/16"-16 threaded bushing compatible with Sioux 1672 & 1702 stone holders and Woodward Equipment 1702W and 1702W38 stone holders.