O.S.
O.S. .91 HZ-R 3D Speed Competition 3D Helicopter Engine w/61G Carburetor
$233.00
This is the O.S. .91 HZ-R 3D Speed Competition 3D Helicopter Engine, with 61G carburetor. O.S. has taken high-performance, high-speed helicopter engines to the next stage of evolution with the introduction of the 91HZ-R 3D ..
O.S. Engines .21 TM with REVO Manifold OSM12241
$165.00
This is the O.S. Max 21TM Engine with the Revo Manifold. This Engine is a direct fit for the Traxxas Revo 2.5 and Revo 3.3. Features: Adapts perfectly to the Traxxas E-Z Start or pull-start systems with no modifica..
O.S. Engines .21TM T-Maxx Manifold ABC 11K Slide Carb OSM12240
$165.00
This is the O.S. Max 21TM Engine with T-Maxx Manifold.Direct fit for the 2.5and 3.3 Traxxas T-Maxx monster trucks.TWO YEAR LIMITED WARRANTY ***FEATURES: Adapts perfectly to the Traxxas E-Z Start or pull-start systems withno..
O.S. Engines .21XM VII 3.46cc Outboard Air Cooled Marine OSM13941
$394.00
O.S. Engines .21XM VII 3.46cc Outboard Air Cooled Marine..
O.S. Engines .55HZ-H Hyper Ring 40L OSM15630
$202.00
O.S. Engine hyper Ringed helicopter engine is ideal for 3D flight-power equal to .60 size heli engines. Same mounting bolt pattern and silencer size as the OS 50SX-H Hyper. Dual needle 40L carburetor with four arm throttle l..
O.S. Engines .75AX ABL 61A Carb E4040 Muffler OSM17400
$173.00
O.S. Max 75 AX ABL Aircraft engine with muffler has the same mounting dimensions as the O.S. Max .61FX. Advanced Bi-Metallic Liner process uses a double layer of plating material rather than one thick layer. This helps the m..
O.S. Engines .95AX Ring 61C E4040 OSM19120
$178.00
O.S. Max 95 AX ABL Aircraft engine with muffler has the same mounting dimensions as the O.S. Max .75FX. Power Box muffler design provides more volume for increased power in a very compact shape. Angular head design offers i..
O.S. Engines 1.20 AX w-Muffler OSM19210
$176.00
O.S. Max two stroke 1.20AX ringed engine with muffler. modelpplication: Ideal for 3D, precision and sport flying. Mounting Application: Mounts in same space as the .91FX (actual mounting dimensions vary slightly, see SPECS)..