All Balls Air Cut Off Valve Rebuild Kit Model 46-4021 Kit Includes all necessary parts to rebuild the air cut off valve circuit. motorcycle models with multiple carburetors include components to repair all carburetors. Kit includes necessary O-rings, diaphragm, spring, screws. Improperly functioning air cu For: Honda VT600C Shadow 88-98, VT600CD 93-98 IMPORTANT: Picture is for indication purpose only. To visually check the kit, you can visit the all balls website. The bought kit will match your motorcycle.