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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217-240 of 1,812 Results
Carburetor 80T: Sirius 7 Carburetor 80T: Sirius 7
4.1 out of 5 Customer Rating
Carburetor 80T: Sirius 7
$125.08
Heat Sink Head: 75AX Heat Sink Head: 75AX
4.1 out of 5 Customer Rating
Heat Sink Head: 75AX
$48.51
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
Cylinder Head with Valve: FS-40 Surpass Cylinder Head with Valve: FS-40 Surpass
5 out of 5 Customer Rating
Cylinder Head with Valve: FS-40 Surpass
$87.39
Gasket Carb IP: #10, FR5 Gasket Carb IP: #10, FR5
4.5 out of 5 Customer Rating
Gasket Carb IP: #10, FR5
$6.49
Cover Plate Gasket: 35AX Cover Plate Gasket: 35AX
3.7 out of 5 Customer Rating
Cover Plate Gasket: 35AX
$10.94
Head Gasket: 10LA Head Gasket: 10LA
3.3 out of 5 Customer Rating
Head Gasket: 10LA
$6.49
Needle Adj Screw New: #60B Needle Adj Screw New: #60B
3.3 out of 5 Customer Rating
Needle Adj Screw New: #60B
$7.57
Piston Pin: FS-120 Piston Pin: FS-120
3.9 out of 5 Customer Rating
Piston Pin: FS-120
$14.73
Needle Assembly Screw: 65LA Needle Assembly Screw: 65LA
5 out of 5 Customer Rating
Needle Assembly Screw: 65LA
$6.49
Valve Spring Retainer: GF40 Valve Spring Retainer: GF40
4.1 out of 5 Customer Rating
Valve Spring Retainer: GF40
$13.83
Remote Needle Bracket: 160FX Remote Needle Bracket: 160FX
3.3 out of 5 Customer Rating
Remote Needle Bracket: 160FX
$7.46
Carburetor Rotor: 70R, FS155A-P Carburetor Rotor: 70R, FS155A-P
4.1 out of 5 Customer Rating
Carburetor Rotor: 70R, FS155A-P
$44.34
Carburetor Rotor: 61H, GT15 Carburetor Rotor: 61H, GT15
4.1 out of 5 Customer Rating
Carburetor Rotor: 61H, GT15
$26.24
Choke Shaft: WLA-2, GT55 Choke Shaft: WLA-2, GT55
3.9 out of 5 Customer Rating
Choke Shaft: WLA-2, GT55
$25.99
Carburetor Rotor: 61HB Carburetor Rotor: 61HB
4.7 out of 5 Customer Rating
Carburetor Rotor: 61HB
$26.24
Needle Valve Holder Assembly: 91SZ-H Hyper Needle Valve Holder Assembly: 91SZ-H Hyper
3.7 out of 5 Customer Rating
Needle Valve Holder Assembly: 91SZ-H Hyper
$19.05
Pushrod Cover: FS-91 Surpass Pushrod Cover: FS-91 Surpass
4.5 out of 5 Customer Rating
Pushrod Cover: FS-91 Surpass
$10.90
Pushrod Cover Assembly: FS72 Alpha Pushrod Cover Assembly: FS72 Alpha
5 out of 5 Customer Rating
Pushrod Cover Assembly: FS72 Alpha
$11.80
Pushrod Cover Set: Sirius 7 Pushrod Cover Set: Sirius 7
5 out of 5 Customer Rating
Pushrod Cover Set: Sirius 7
$29.55
Piston: 70SZ-H Piston: 70SZ-H
4.1 out of 5 Customer Rating
Piston: 70SZ-H
$48.51
Rotor Stop #3A #2A Rotor Stop #3A #2A
5 out of 5 Customer Rating
Rotor Stop #3A #2A
$6.49
Main Shaft: 5020-490 .40 Main Shaft: 5020-490 .40
4.1 out of 5 Customer Rating
Main Shaft: 5020-490 .40
$10.99
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