O.S. Large Carburetor Gasket O-Ring

for the O.S. 2S and 2SB carbs. This is also the bottom pushrod o-ring for the FS-90 four stroke engine. Features: Silicone construction. Includes: Two o-rings. Specs: Outside diameter: 6mmInside diameter: 2mm ...

Max 40E, 86, C14, 60B, 60G, 60H, and 60L carbs. It mounts to the mixture control valve. Features: Silicone construction. Includes: Two O-rings. Specs: Outside diameter: 6mmInside diameter: 3mm This product was ...

to reduce the amount of air flow which assists in increasing the amount of torque produced. Requires: .21 VZ series engine Specs: Length: .584" (14.84mm) Width: .355" (9mm) at base Diameter: .50" ...

O.S. Engines Speed 21XZ-B Spec III Racing Engine.Features: Newly developed cylinder liner with three scavenger ports and three exhaust ports Restores proper compression to worn engine Includes: Cylinder Liner and Piston key ...

for the 12XZ Speed Spec III Engine.Features: Black, gold, and red colored Fully assembled and ready to install For the O.S. Engines 12XZ Speed Spec III EngineIncludes: One O.S. Engines Carburetor, One ...