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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697-720 of 1,808 Results
Cylinder Liner: 120AX Cylinder Liner: 120AX
4.1 out of 5 Customer Rating
Cylinder Liner: 120AX
$99.65
Under Cover: IL-300 Dia-Star Under Cover: IL-300 Dia-Star
3.7 out of 5 Customer Rating
Under Cover: IL-300 Dia-Star
$16.81
Rocker Cover Gasket: GF40 Rocker Cover Gasket: GF40
3.7 out of 5 Customer Rating
Rocker Cover Gasket: GF40
$10.94
Head Gasket: 56 FS Head Gasket: 56 FS
5 out of 5 Customer Rating
Head Gasket: 56 FS
$6.49
Ignition Module IG-02: GT33 Ignition Module IG-02: GT33
5 out of 5 Customer Rating
Ignition Module IG-02: GT33
$104.01
Exhaust Header Pipe Assembly F-5050: FS-95V Exhaust Header Pipe Assembly F-5050: FS-95V
3.9 out of 5 Customer Rating
Exhaust Header Pipe Assembly F-5050: FS-95V
$19.14
Cover Plate: 200 Surpass Cover Plate: 200 Surpass
5 out of 5 Customer Rating
Cover Plate: 200 Surpass
$22.30
Lever Metering WLA-2: GT55 Lever Metering WLA-2: GT55
5 out of 5 Customer Rating
Lever Metering WLA-2: GT55
$11.87
Nozzle: 15FP-S RN Nozzle: 15FP-S RN
5 out of 5 Customer Rating
Nozzle: 15FP-S RN
$9.85
O-Ring 10.5mm: GT55 O-Ring 10.5mm: GT55
5 out of 5 Customer Rating
O-Ring 10.5mm: GT55
$6.49
Pushrod Cover Assembly: 120Surpass Pushrod Cover Assembly: 120Surpass
4.7 out of 5 Customer Rating
Pushrod Cover Assembly: 120Surpass
$22.04
Piston: 50SX-H Piston: 50SX-H
4.1 out of 5 Customer Rating
Piston: 50SX-H
$37.80
Piston: GF40 Piston: GF40
3.9 out of 5 Customer Rating
Piston: GF40
$68.27
Piston Pin: 160FX Piston Pin: 160FX
5 out of 5 Customer Rating
Piston Pin: 160FX
$19.14
Prop Nut 1/4 20-61 Prop Nut 1/4 20-61
4.7 out of 5 Customer Rating
Prop Nut 1/4 20-61
$6.49
Rocker Arm Assembly: 200 Surpass Rocker Arm Assembly: 200 Surpass
4.1 out of 5 Customer Rating
Rocker Arm Assembly: 200 Surpass
$36.85
Rocker Cover: FT-160 Rocker Cover: FT-160
4.1 out of 5 Customer Rating
Rocker Cover: FT-160
$22.04
Screw Set (10): 46AX 55AX Screw Set (10): 46AX 55AX
5 out of 5 Customer Rating
Screw Set (10): 46AX 55AX
$10.86
Throttle Arm Assembly: 40L, 55HZ Hyper Throttle Arm Assembly: 40L, 55HZ Hyper
5 out of 5 Customer Rating
Throttle Arm Assembly: 40L, 55HZ Hyper
$7.46
Stator Assembly: 5025-375 .50 Stator Assembly: 5025-375 .50
4.7 out of 5 Customer Rating
Stator Assembly: 5025-375 .50
$92.99
M16 In-Cowl Exhaust Header Pipe Side 60D: FS20S M16 In-Cowl Exhaust Header Pipe Side 60D: FS20S
5 out of 5 Customer Rating
M16 In-Cowl Exhaust Header Pipe Side 60D: FS20S
$48.51
Intake Manifold: 56 FS Intake Manifold: 56 FS
4.1 out of 5 Customer Rating
Intake Manifold: 56 FS
$19.14
Motor Mount: FS91SII, FS110 Pump Motor Mount: FS91SII, FS110 Pump
4.1 out of 5 Customer Rating
Motor Mount: FS91SII, FS110 Pump
$44.22
Spinner Nut: 60-91 Spinner Nut: 60-91
5 out of 5 Customer Rating
Spinner Nut: 60-91
$15.78
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