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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1,376-1,399 of 1,808 Results
Crankcase: GGT10 Crankcase: GGT10
4.1 out of 5 Customer Rating
Crankcase: GGT10
$104.09
Crankshaft: 25AX Crankshaft: 25AX
3.3 out of 5 Customer Rating
Crankshaft: 25AX
$43.99
Cylinder Head: FS81 Alpha Cylinder Head: FS81 Alpha
5 out of 5 Customer Rating
Cylinder Head: FS81 Alpha
$76.86
Cylinder Head: FS155A-P Cylinder Head: FS155A-P
3.1 out of 5 Customer Rating
Cylinder Head: FS155A-P
$114.61
Cylinder Head: GT15 Cylinder Head: GT15
5 out of 5 Customer Rating
Cylinder Head: GT15
$52.69
Cylinder Jacket: IL-300 Dia-Star Cylinder Jacket: IL-300 Dia-Star
4.1 out of 5 Customer Rating
Cylinder Jacket: IL-300 Dia-Star
$162.95
Cylinder Liner: 55HZ Hyper Cylinder Liner: 55HZ Hyper
5 out of 5 Customer Rating
Cylinder Liner: 55HZ Hyper
$64.39
Drive Spacer: GT33 Drive Spacer: GT33
4.1 out of 5 Customer Rating
Drive Spacer: GT33
$44.22
Cylinder Liner: 140RX Cylinder Liner: 140RX
5 out of 5 Customer Rating
Cylinder Liner: 140RX
$106.01
Cylinder Liner: FS72 Alpha Cylinder Liner: FS72 Alpha
3.3 out of 5 Customer Rating
Cylinder Liner: FS72 Alpha
$43.02
Drive Hub: 140RX Drive Hub: 140RX
5 out of 5 Customer Rating
Drive Hub: 140RX
$26.24
Drive Spacer: GT60 Drive Spacer: GT60
5 out of 5 Customer Rating
Drive Spacer: GT60
$38.03
Carburetor Spacer: Sirius 7 Carburetor Spacer: Sirius 7
5 out of 5 Customer Rating
Carburetor Spacer: Sirius 7
$10.86
Intake Cam: Sirius 7 Intake Cam: Sirius 7
5 out of 5 Customer Rating
Intake Cam: Sirius 7
$70.37
Link Pin: Sirius 7 Link Pin: Sirius 7
3.3 out of 5 Customer Rating
Link Pin: Sirius 7
$11.80
Locknut: GT33 Locknut: GT33
5 out of 5 Customer Rating
Locknut: GT33
$17.16
Muffler Screws #871 (2) Muffler Screws #871 (2)
4.7 out of 5 Customer Rating
Muffler Screws #871 (2)
$6.49
Muffler Assembly Screw: 75AX Muffler Assembly Screw: 75AX
5 out of 5 Customer Rating
Muffler Assembly Screw: 75AX
$8.43
Needle Assembly: FT-120-300 Needle Assembly: FT-120-300
3.9 out of 5 Customer Rating
Needle Assembly: FT-120-300
$19.05
Needle 25 2SX: 61FX Needle 25 2SX: 61FX
3.7 out of 5 Customer Rating
Needle 25 2SX: 61FX
$13.78
Main Needle Valve Assembly: 61ER Main Needle Valve Assembly: 61ER
5 out of 5 Customer Rating
Main Needle Valve Assembly: 61ER
$22.30
O-Ring: GF30 O-Ring: GF30
4.7 out of 5 Customer Rating
O-Ring: GF30
$8.43
Piston Pin Retainer: BGX 3500 Piston Pin Retainer: BGX 3500
3.3 out of 5 Customer Rating
Piston Pin Retainer: BGX 3500
$7.46
Piston: GF30 Piston: GF30
4.7 out of 5 Customer Rating
Piston: GF30
$57.86
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