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O.S. Engines Cylinder Rebuild Kit 21XZ-B Spec 2 OSM22423110
$119.00
This is the O.S. Engines Cylinder Rebuild Kit for the Speed Tuned 21XZ-B Speed Spec II Engine. Features: Brass and silver coloredMade of aluminumRestores power and performance to worn cylinder assembliesFor the O.S. En..
O.S. Engines Cylinder Rebuild Kit Speed R2101 OSM2A003010
$108.00
This is the O.S. Engines Cylinder Rebuild Kit for the Speed R2101 On-Road ABC Engine. ..
O.S. Engines Cylinder/Pistpon/Rod Rebuild B2101 Speed OSM2A203010
$113.00
This is the O.S. Engines Cylinder/Pistpon/Rod Rebuild B2101 Speed Features:Made of durable materials ..
O.S. Engines FF-320 Pegasus 4-Cyl Ringed 4-Stroke OSM36410
$1,559.00
O.S. Multi-Cylinder 4-Stroke engine has pushrod-driven overhead valves.Ringed pistons. Gear-driven camshaft. 5 -crankshaft ball bearings. 2 -camshaft ball bearings. Four cylinders (flat, 2 opposing 2). Firing Order: 1-3-4-2..
O.S. Engines FS95V Ring 60P F5050 4-Stroke OSM30900
$215.00
O.S. Engines FS95V Ring 60P F5050 4-Stroke ..
O.S. Engines FSa-56II with F-4040 Silencer OSM34330
$256.00
This is the O.S. Engines FSA-56II Four Stroke 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 performan..
O.S. Engines FSa-72II with F-5030 Silencer OSM34721
$275.00
This is the O.S. Engines FSA-56II Four Stroke Engine with the F-5030 Silencer. O.S. leads the way in advanced 4-stroke engine technology, and you’ll see for yourself when you mount the FSa-72II in your model! Sport flyers w..
O.S. Engines GF40 Airplane Engine 4-Stroke Gas F-6040 Muffler OSM39400
$415.00
This is the O.S. Engines GF40 4-Stroke Gasoline Airplane Engine with a F-6040 Muffler included. Features: Ideal for aerobatic or scale aircraftWalbro carburetor witn integrated choke rod guide that simplifies installat..