Valve Seats for oversize valves 28 to 42mm. Seats are listed by recommend valve size.

Size & application for seats:
· 28mm Seat: 30.7mm O.D. x 6.3 thick, use for 28mm and 28.5 Valves

· 32mm Seat, 33.6mm O.D. x 6.3 thick, use for 32mm Valves

· 36mm Seat, 38.25mm O.D. x 8.9mm thick, Use for 34 to 36mm Valves

· 40mm Seat, 41.5mm O.D. x 8.9mm thick, Use for 38 to 40mm Valves (Note: These Cost $14.99)

· 42mm Seat, 43mm O.D. x 8.9mm thick, Use for 41 to 42mm Valves (Note: These Cost $14.99)

28 & 32mm Seats are for GX200, 6.5 OHV, and 212 Predator Applications. 36mm and up seats are for GX270/390, 13/15 OHV, and 420 Predators

Hi Performance Valve Seats Made From Beryllium Valve Seat. For GX 200, Predator 212, Honda Clones,