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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1,448-1,471 of 1,808 Results
Security Ring: OMA-2820-950 Security Ring: OMA-2820-950
3.9 out of 5 Customer Rating
Security Ring: OMA-2820-950
$5.99
Pump Unit (PD-09): GF30 II Pump Unit (PD-09): GF30 II
5 out of 5 Customer Rating
Pump Unit (PD-09): GF30 II
$109.26
Air Funnel #60RA: FS81 Alpha Air Funnel #60RA: FS81 Alpha
5 out of 5 Customer Rating
Air Funnel #60RA: FS81 Alpha
$19.14
Carburetor #20C: 32SX-H HX Carburetor #20C: 32SX-H HX
3.3 out of 5 Customer Rating
Carburetor #20C: 32SX-H HX
$71.61
Exhaust Header Assembly: 56 FS Exhaust Header Assembly: 56 FS
4.5 out of 5 Customer Rating
Exhaust Header Assembly: 56 FS
$13.78
Front Bearing: 61FX Front Bearing: 61FX
5 out of 5 Customer Rating
Front Bearing: 61FX
$22.16
Cam Follower: Sirius 7 Cam Follower: Sirius 7
4.1 out of 5 Customer Rating
Cam Follower: Sirius 7
$21.12
Camshaft: FS-91 Surpass Camshaft: FS-91 Surpass
3.7 out of 5 Customer Rating
Camshaft: FS-91 Surpass
$60.57
Carburetor Rotor: #40D Carburetor Rotor: #40D
3.7 out of 5 Customer Rating
Carburetor Rotor: #40D
$11.80
Carburetor Rotor: 91SZ-H Hyper Carburetor Rotor: 91SZ-H Hyper
3.3 out of 5 Customer Rating
Carburetor Rotor: 91SZ-H Hyper
$39.99
Piston Pin: 56 FS Piston Pin: 56 FS
4.5 out of 5 Customer Rating
Piston Pin: 56 FS
$11.91
55HZ-R Conversion Set: 55HZ, 50SX 55HZ-R Conversion Set: 55HZ, 50SX
5 out of 5 Customer Rating
55HZ-R Conversion Set: 55HZ, 50SX
$271.02
Rear Adapter: 18CV-RX Rear Adapter: 18CV-RX
5 out of 5 Customer Rating
Rear Adapter: 18CV-RX
$17.08
Cylinder and Piston Assembly: O.S. Speed B2104 Cylinder and Piston Assembly: O.S. Speed B2104
4.5 out of 5 Customer Rating
Cylinder and Piston Assembly: O.S. Speed B2104
$193.70
Induction Silencer .12/.21: INS Induction Silencer .12/.21: INS
5 out of 5 Customer Rating
Induction Silencer .12/.21: INS
$46.39
Carburetor Body: 18TM Carburetor Body: 18TM
3.1 out of 5 Customer Rating
Carburetor Body: 18TM
$46.31
Crankshaft: R2101 Speed Crankshaft: R2101 Speed
5 out of 5 Customer Rating
Crankshaft: R2101 Speed
$199.31
Cylinder & Piston Assembly: O.S. Speed R2104 Cylinder & Piston Assembly: O.S. Speed R2104
3.3 out of 5 Customer Rating
Cylinder & Piston Assembly: O.S. Speed R2104
$243.06
O.S. Cylinder and Piston Assy Speed B2103 Type S O.S. Cylinder and Piston Assy Speed B2103 Type S
5 out of 5 Customer Rating
O.S. Cylinder and Piston Assy Speed B2103 Type S
$193.68
Outer Cylinder Head: R2103 Speed Outer Cylinder Head: R2103 Speed
5 out of 5 Customer Rating
Outer Cylinder Head: R2103 Speed
$102.35
Universal Nipple: #21, T1202 Speed Universal Nipple: #21, T1202 Speed
4.5 out of 5 Customer Rating
Universal Nipple: #21, T1202 Speed
$11.95
Head Gasket: B2101 Speed Head Gasket: B2101 Speed
4.7 out of 5 Customer Rating
Head Gasket: B2101 Speed
$12.04
Piston Pin: 25XZ Piston Pin: 25XZ
5 out of 5 Customer Rating
Piston Pin: 25XZ
$7.99
Screw Set (8): 18TZ-TX Screw Set (8): 18TZ-TX
4.7 out of 5 Customer Rating
Screw Set (8): 18TZ-TX
$9.85
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