O.S. Engines

Quality and performance has made O.S. the standard in RC engines for over 80 years.
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1-96 of 1773 Results
O.S.SPEED B2105
$752.99O.S. Speed R21GT2
$839.99O.S. SPEED R21GT2 Combo Set
$959.99Prop Shaft: 21XM
$57.74Cavitation Plt: 21XM
$22.24Lower Unit: 21XM
$100.94Flex Shaft Housing: 21XM
$10.86O-Ring Set #60B
$8.43Needle #4BK #2K
$13.78Flex Shaft: 21XM
$25.20Needle Assembly #40A
$22.04Screw Set (10): 21XM
$11.75Gasket Set: 21XM
$11.87Rear Housing: 21XM
$52.65Crankcase: 21XM
$125.10Side Plate: 21XM
$22.24Lower Arm: 21XM
$21.06Front Bearing: 11PS
$22.04Crankcase: 18CV-R
$52.52Screw Set CZ-M (8)
$9.85Front Bearing: 21RZ-B
$27.29Inner Head: 21XZ-R
$52.69Drive Shaft: 21XM
$46.43Upper Arm: 21XM
$22.24Screw Set CZ-MX (8)
$7.46Low Unit Screw (4): 21XM
$10.86Carburetor Body: #40A
$47.99Steering Arm: 21XM
$13.75Flywheel #2J
$31.50Cover Plate: 21XZ-B
$22.04Connecting Rod: RXB/R/M
$26.24Arm Shaft Assembly: 21XM
$13.75Mount Plate: 21XM
$22.24Rear Bearing: 21VZ, 30VG
$63.04Front Bearing: 21XZ-B
$30.44Outer Head: B2101 Speed
$108.03