O.S. Engines

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Quality and performance has made O.S. the standard in RC engines for over 80 years.
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241-264 of 1,808 Results
Ratchet Spring #7H #7D #2K Ratchet Spring #7H #7D #2K
4.1 out of 5 Customer Rating
Ratchet Spring #7H #7D #2K
$6.49
Rotor Spring #2CK #2B Rotor Spring #2CK #2B
5 out of 5 Customer Rating
Rotor Spring #2CK #2B
$6.49
Gasket Passage: WLA-2, GT55 Gasket Passage: WLA-2, GT55
5 out of 5 Customer Rating
Gasket Passage: WLA-2, GT55
$11.99
Connecting Rod: BGX-3500 Connecting Rod: BGX-3500
3.2 out of 5 Customer Rating
Connecting Rod: BGX-3500
$43.99
Carburetor Screw: FS61-FT300 Carburetor Screw: FS61-FT300
4.1 out of 5 Customer Rating
Carburetor Screw: FS61-FT300
$6.49
Crankshaft: O.S. Speed B2104 Crankshaft: O.S. Speed B2104
5 out of 5 Customer Rating
Crankshaft: O.S. Speed B2104
$198.10
Bubbleless Clunk Bubbleless Clunk
3.3 out of 5 Customer Rating
Bubbleless Clunk
$21.04
Crankcase: 21XZ-R VII Crankcase: 21XZ-R VII
3.1 out of 5 Customer Rating
Crankcase: 21XZ-R VII
$152.36
Cylinder Liner: GT15HZ Cylinder Liner: GT15HZ
5 out of 5 Customer Rating
Cylinder Liner: GT15HZ
$105.05
Screw Set (8): 12CV-X Screw Set (8): 12CV-X
5 out of 5 Customer Rating
Screw Set (8): 12CV-X
$7.46
Pulse Spacer: GGT10 Pulse Spacer: GGT10
5 out of 5 Customer Rating
Pulse Spacer: GGT10
$17.11
T-1060 Silencer Clamp T-1060 Silencer Clamp
5 out of 5 Customer Rating
T-1060 Silencer Clamp
$11.47
Pan Head Screw 3x18mm (10) Pan Head Screw 3x18mm (10)
5 out of 5 Customer Rating
Pan Head Screw 3x18mm (10)
$11.91
Piston: GT60 Piston: GT60
4.8 out of 5 Customer Rating
Piston: GT60
$152.45
RP8 Turbo Glow Plug, On-Road, Cold RP8 Turbo Glow Plug, On-Road, Cold
4.8 out of 5 Customer Rating
RP8 Turbo Glow Plug, On-Road, Cold
$15.99
Crankcase: 160FX Crankcase: 160FX
5 out of 5 Customer Rating
Crankcase: 160FX
$152.36
Silencer Assembly Screw: 56 FS Silencer Assembly Screw: 56 FS
4.7 out of 5 Customer Rating
Silencer Assembly Screw: 56 FS
$8.43
Outer Head O.S. Speed B21 Adam Drake Edition 3 Outer Head O.S. Speed B21 Adam Drake Edition 3
3.1 out of 5 Customer Rating
Outer Head O.S. Speed B21 Adam Drake Edition 3
$97.99
Pushrod Cover Assembly: FS-70 Ultimate Pushrod Cover Assembly: FS-70 Ultimate
5 out of 5 Customer Rating
Pushrod Cover Assembly: FS-70 Ultimate
$17.99
Intake Manifold: FT-120 160 Intake Manifold: FT-120 160
3.9 out of 5 Customer Rating
Intake Manifold: FT-120 160
$44.22
Valve Exhaust: FS-52 Surpass Valve Exhaust: FS-52 Surpass
3.3 out of 5 Customer Rating
Valve Exhaust: FS-52 Surpass
$19.14
Intake Cam: Sirius 7 Intake Cam: Sirius 7
5 out of 5 Customer Rating
Intake Cam: Sirius 7
$70.37
Crankcase: 15LA Natural Crankcase: 15LA Natural
4.8 out of 5 Customer Rating
Crankcase: 15LA Natural
$29.49
Piston: FS-62V Piston: FS-62V
4.7 out of 5 Customer Rating
Piston: FS-62V
$34.76
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