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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457-480 of 1,812 Results
Start Shaft: 18CV-RX Start Shaft: 18CV-RX
4.7 out of 5 Customer Rating
Start Shaft: 18CV-RX
$19.14
Valve Spring: FS-26S-C Valve Spring: FS-26S-C
4.1 out of 5 Customer Rating
Valve Spring: FS-26S-C
$6.49
Cylinder Head: 91SX-H Complete Cylinder Head: 91SX-H Complete
4.4 out of 5 Customer Rating
Cylinder Head: 91SX-H Complete
$99.99
Radial Mount: 72FS-a Radial Mount: 72FS-a
4.8 out of 5 Customer Rating
Radial Mount: 72FS-a
$44.34
Carburetor Rotor: #61B, 91HZ Carburetor Rotor: #61B, 91HZ
3.6 out of 5 Customer Rating
Carburetor Rotor: #61B, 91HZ
$43.99
Carburetor Rotor: 80T Sirius 7 Carburetor Rotor: 80T Sirius 7
5 out of 5 Customer Rating
Carburetor Rotor: 80T Sirius 7
$44.18
Connecting Rod: 70SZ-H Connecting Rod: 70SZ-H
3.2 out of 5 Customer Rating
Connecting Rod: 70SZ-H
$29.49
Cover Plate: FS91-P Cover Plate: FS91-P
5 out of 5 Customer Rating
Cover Plate: FS91-P
$21.10
Crankcase Plug: GT55 Crankcase Plug: GT55
3.4 out of 5 Customer Rating
Crankcase Plug: GT55
$17.16
Crankshaft: 50SX Crankshaft: 50SX
5 out of 5 Customer Rating
Crankshaft: 50SX
$47.99
Cylinder Head: 140RX Cylinder Head: 140RX
5 out of 5 Customer Rating
Cylinder Head: 140RX
$71.53
Cylinder Head: GT15HZ Cylinder Head: GT15HZ
4.8 out of 5 Customer Rating
Cylinder Head: GT15HZ
$108.03
Cylinder Liner: 50SX-H Cylinder Liner: 50SX-H
3.6 out of 5 Customer Rating
Cylinder Liner: 50SX-H
$58.90
Cylinder Liner: FT-300 Cylinder Liner: FT-300
5 out of 5 Customer Rating
Cylinder Liner: FT-300
$59.99
Drive Washer: 25LA-S Drive Washer: 25LA-S
4.8 out of 5 Customer Rating
Drive Washer: 25LA-S
$6.49
Carburetor #21L: 25AX Carburetor #21L: 25AX
5 out of 5 Customer Rating
Carburetor #21L: 25AX
$97.81
Carburetor 80T: Sirius 7 Carburetor 80T: Sirius 7
4.1 out of 5 Customer Rating
Carburetor 80T: Sirius 7
$125.08
Carburetor #20H: 25LA Carburetor #20H: 25LA
5 out of 5 Customer Rating
Carburetor #20H: 25LA
$26.24
Heat Sink Head: 75AX Heat Sink Head: 75AX
4.1 out of 5 Customer Rating
Heat Sink Head: 75AX
$48.51
E4050 In-Cowl Muffler: 65AX E4050 In-Cowl Muffler: 65AX
5 out of 5 Customer Rating
E4050 In-Cowl Muffler: 65AX
$67.33
Locknut Set: FT, FR5 Locknut Set: FT, FR5
4.1 out of 5 Customer Rating
Locknut Set: FT, FR5
$41.12
Cam Cover: 56 FS Cam Cover: 56 FS
4.5 out of 5 Customer Rating
Cam Cover: 56 FS
$11.91
Carburetor Body: 37SZ-H Carburetor Body: 37SZ-H
3.3 out of 5 Customer Rating
Carburetor Body: 37SZ-H
$40.12
Camshaft Bearing: F 120-300 Camshaft Bearing: F 120-300
4.5 out of 5 Customer Rating
Camshaft Bearing: F 120-300
$22.37
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