Valve Seat Wheel 1.1875" - 90° - MSX-390A
This revolutionary new stone compound aggressively grinds hard seats — even those hard-to-grind late model Cummins. Grinds and finishes in one operation! No need to change stones to finish a seat. #2 Hole for 11/16"-16 thread for 1672 and 1702 wheel holders