Valve Seat Wheel 1.6875" - 90 - MSX-2190A
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