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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1,081-1,104 of 1,808 Results
Thrust Washer 10-15 Thrust Washer 10-15
4.5 out of 5 Customer Rating
Thrust Washer 10-15
$6.49
Thrust Washer: 20-40FP Thrust Washer: 20-40FP
5 out of 5 Customer Rating
Thrust Washer: 20-40FP
$6.49
Valve Collet: FS-91 Surpass Valve Collet: FS-91 Surpass
3.3 out of 5 Customer Rating
Valve Collet: FS-91 Surpass
$10.86
Valve Exhaust: FS-52 Surpass Valve Exhaust: FS-52 Surpass
3.3 out of 5 Customer Rating
Valve Exhaust: FS-52 Surpass
$19.14
Parallel Key: GT55 Parallel Key: GT55
3.3 out of 5 Customer Rating
Parallel Key: GT55
$7.46
Main Shaft: 3815-1000 Main Shaft: 3815-1000
4.3 out of 5 Customer Rating
Main Shaft: 3815-1000
$8.99
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
Crankshaft Bearing, Front: FS-91 Crankshaft Bearing, Front: FS-91
5 out of 5 Customer Rating
Crankshaft Bearing, Front: FS-91
$26.34
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
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