relatively new category 1/8 GT class. The design of the engine is fully conformed to IFMAR regulation. Features: IFMAR legal, designed for the 1/8 scale GT class Newly designed cylinder and piston ...

Engine with the F-4040 Silencer. Mount the FSa-56II in your model, and see the difference advanced O.S. 4-stroke technology makes! Those benefits include a higher performance ceiling for sport flyers and more realistic ...

1/8 scale engine. The O.S. SPEED R2104 is a factory tuned engine solely developed for 1/8 racing competition. This new engine boasts 9-port piston liner to improve torque in low-middle power range. It ...

1/8 .21 Nitro Engine This is the O.S. SPEED B21 RD2 RONDA DRAKE EDITION 2 1/8 Buggy .21 Nitro Competition Engine. Designed in collaboration with the legendary Adam Drake, This top level ...

Engine with a 22B2 Carburetor included, for 1/8 scale Off-Road Buggy Racing.Features: Lightening holes in cylinder head reduce overall weight ABC piston and liner construction Aluminum piston fitted to a Brass cylinder ...