All Balls Racing - Air Cut off Valve Rebuild Kit (46-1025) K-Type-Track Main Axles Fitted Spring: 01103-49 (Y) /

Fitted Spring: 01103-49 (Y) / 21067-09 (Y)

19 in (56 mm)

It’s a worthy successor to the SF1 and its 14 S1 World Championship titles

Our airbags are certified by the CRITT Sport Loisirs laboratory

for class-topping cornering grip at high lean angles

All Balls Racing - Air Cut off Valve Rebuild Kit (46-1025) K-Type-Track Main Axles Fitted Spring: 01103-49 (Y) /Kit Includes all necessary parts to rebuild the air cut off valve circuit. Models with multiple carburetors include components to repair all carburetors. Kit includes necessary o rings, diaphragm, spring, screws. Improperly functioning air cut off valves can stick open or closed causing popping on deceleration or poor running conditions.