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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1,520-1,543 of 1,808 Results
Cylinder Liner: 200 Surpass Cylinder Liner: 200 Surpass
5 out of 5 Customer Rating
Cylinder Liner: 200 Surpass
$59.03
Gasket Exhaust: GT55 Gasket Exhaust: GT55
5 out of 5 Customer Rating
Gasket Exhaust: GT55
$7.46
M11 Header Pipe Nut: FS070S and FS91S II M11 Header Pipe Nut: FS070S and FS91S II
3.7 out of 5 Customer Rating
M11 Header Pipe Nut: FS070S and FS91S II
$6.49
Silencer Body Gasket: 200 Surpass Silencer Body Gasket: 200 Surpass
3.3 out of 5 Customer Rating
Silencer Body Gasket: 200 Surpass
$7.46
Needle Valve Holder Assembly #61B: 91HZ Needle Valve Holder Assembly #61B: 91HZ
5 out of 5 Customer Rating
Needle Valve Holder Assembly #61B: 91HZ
$11.80
O-Ring Rubber Gasket: 120AX O-Ring Rubber Gasket: 120AX
5 out of 5 Customer Rating
O-Ring Rubber Gasket: 120AX
$10.94
Piston: 200 Surpass Piston: 200 Surpass
5 out of 5 Customer Rating
Piston: 200 Surpass
$57.96
Pushrod: FS-40 Surpass Pushrod: FS-40 Surpass
3.3 out of 5 Customer Rating
Pushrod: FS-40 Surpass
$8.49
Pushrod: FR5 Pushrod: FR5
5 out of 5 Customer Rating
Pushrod: FR5
$10.86
Rocker Support: FS110A Rocker Support: FS110A
4.1 out of 5 Customer Rating
Rocker Support: FS110A
$29.60
Valve Spring Retainer: FS-70SII Valve Spring Retainer: FS-70SII
3.3 out of 5 Customer Rating
Valve Spring Retainer: FS-70SII
$6.49
Main Shaft: OMA-3820-1200W Main Shaft: OMA-3820-1200W
3.5 out of 5 Customer Rating
Main Shaft: OMA-3820-1200W
$8.99
Carburetor 40L-R: 55HZ-R Carburetor 40L-R: 55HZ-R
5 out of 5 Customer Rating
Carburetor 40L-R: 55HZ-R
$260.43
Carburetor HAD313: GT60 Carburetor HAD313: GT60
5 out of 5 Customer Rating
Carburetor HAD313: GT60
$190.09
Exhaust Header Pipe Assembly: F6020 FS155A-P Exhaust Header Pipe Assembly: F6020 FS155A-P
5 out of 5 Customer Rating
Exhaust Header Pipe Assembly: F6020 FS155A-P
$25.29
Cylinder Head Screws: 56 FS Cylinder Head Screws: 56 FS
3.3 out of 5 Customer Rating
Cylinder Head Screws: 56 FS
$9.85
Motor Mount: FT120, FT160 Motor Mount: FT120, FT160
3.7 out of 5 Customer Rating
Motor Mount: FT120, FT160
$44.13
Motor Mount: FS52S, 56A Motor Mount: FS52S, 56A
4.5 out of 5 Customer Rating
Motor Mount: FS52S, 56A
$36.85
Rear Bearing: FS120 III Rear Bearing: FS120 III
3.7 out of 5 Customer Rating
Rear Bearing: FS120 III
$33.61
Front Ball Bearing: 40, 46, 48 Front Ball Bearing: 40, 46, 48
3.7 out of 5 Customer Rating
Front Ball Bearing: 40, 46, 48
$21.17
Carburetor Body: 61T, FS-62V Carburetor Body: 61T, FS-62V
4.1 out of 5 Customer Rating
Carburetor Body: 61T, FS-62V
$38.95
Speed Hex Wrench Ball Driver 2.0mm Speed Hex Wrench Ball Driver 2.0mm
3.3 out of 5 Customer Rating
Speed Hex Wrench Ball Driver 2.0mm
$36.84
55HZ-H Hyper Ringed .55 Helicopter Engine 55HZ-H Hyper Ringed .55 Helicopter Engine
3.3 out of 5 Customer Rating
55HZ-H Hyper Ringed .55 Helicopter Engine
$418.63
Built-Up Parts Set (C&P) O.S. Speed T1204 Built-Up Parts Set (C&P) O.S. Speed T1204
5 out of 5 Customer Rating
Built-Up Parts Set (C&P) O.S. Speed T1204
$171.28
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