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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169-192 of 1,814 Results
Cover Plate: 35AX Cover Plate: 35AX
4.4 out of 5 Customer Rating
Cover Plate: 35AX
$11.80
Crankcase: 35AX Crankcase: 35AX
3.3 out of 5 Customer Rating
Crankcase: 35AX
$48.51
Crankcase Heat Sink: 91HZ Crankcase Heat Sink: 91HZ
3.7 out of 5 Customer Rating
Crankcase Heat Sink: 91HZ
$29.60
Crankcase: GF40 Crankcase: GF40
4.1 out of 5 Customer Rating
Crankcase: GF40
$135.64
Cylinder Head: GGT15 Cylinder Head: GGT15
4.1 out of 5 Customer Rating
Cylinder Head: GGT15
$52.69
Drive Washer: GT55 Drive Washer: GT55
3.7 out of 5 Customer Rating
Drive Washer: GT55
$52.69
Front Plate: Sirius 7 Front Plate: Sirius 7
5 out of 5 Customer Rating
Front Plate: Sirius 7
$346.53
Cylinder Head Gasket, .2mm: 91HZ Cylinder Head Gasket, .2mm: 91HZ
3.7 out of 5 Customer Rating
Cylinder Head Gasket, .2mm: 91HZ
$7.46
Mixture Control Valve 80T: Sirius 7 Mixture Control Valve 80T: Sirius 7
3.3 out of 5 Customer Rating
Mixture Control Valve 80T: Sirius 7
$21.12
Needle Assembly 80T: Sirius 7 Needle Assembly 80T: Sirius 7
5 out of 5 Customer Rating
Needle Assembly 80T: Sirius 7
$11.80
Piston Ring: GT22 Piston Ring: GT22
3.3 out of 5 Customer Rating
Piston Ring: GT22
$25.44
Reduction Gear: FR5 Reduction Gear: FR5
5 out of 5 Customer Rating
Reduction Gear: FR5
$81.96
Rocker Arm Retainer: FS-20-240 Rocker Arm Retainer: FS-20-240
4.7 out of 5 Customer Rating
Rocker Arm Retainer: FS-20-240
$6.49
Camshaft Cover Camshaft Cover
4.7 out of 5 Customer Rating
Camshaft Cover
$11.80
Screw Set (8): 15LA Screw Set (8): 15LA
3.9 out of 5 Customer Rating
Screw Set (8): 15LA
$8.46
Lever Outer WLA-2: GT55 Lever Outer WLA-2: GT55
4.5 out of 5 Customer Rating
Lever Outer WLA-2: GT55
$13.80
Thrust Washer: 21-32 Thrust Washer: 21-32
3.3 out of 5 Customer Rating
Thrust Washer: 21-32
$6.49
Valve Intake: FS-120 Surpass Valve Intake: FS-120 Surpass
3.9 out of 5 Customer Rating
Valve Intake: FS-120 Surpass
$37.80
Carburetor Body: 75AX Carburetor Body: 75AX
5 out of 5 Customer Rating
Carburetor Body: 75AX
$48.51
Carburetor Insert: 80T, Sirius 7 Carburetor Insert: 80T, Sirius 7
3.3 out of 5 Customer Rating
Carburetor Insert: 80T, Sirius 7
$13.83
Air Bleed Screw: #40D Air Bleed Screw: #40D
3.4 out of 5 Customer Rating
Air Bleed Screw: #40D
$6.49
Cam Cover: FS81 Alpha Cam Cover: FS81 Alpha
5 out of 5 Customer Rating
Cam Cover: FS81 Alpha
$10.82
Cam Assembly Screw Set: SIrius 7 Cam Assembly Screw Set: SIrius 7
4.8 out of 5 Customer Rating
Cam Assembly Screw Set: SIrius 7
$15.76
Crankcase: FT-160 Crankcase: FT-160
5 out of 5 Customer Rating
Crankcase: FT-160
$174.34
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