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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608-631 of 1,808 Results
O-Ring P3-FKM 61H: GT15 O-Ring P3-FKM 61H: GT15
3.3 out of 5 Customer Rating
O-Ring P3-FKM 61H: GT15
$10.94
Piston: FS155A-P Piston: FS155A-P
4.1 out of 5 Customer Rating
Piston: FS155A-P
$57.96
Rocker Arm: FS95V Rocker Arm: FS95V
3.7 out of 5 Customer Rating
Rocker Arm: FS95V
$28.45
Rocker Arm Shaft: Sirius 7 Rocker Arm Shaft: Sirius 7
3.3 out of 5 Customer Rating
Rocker Arm Shaft: Sirius 7
$9.44
Rocker Cover: GF40 Rocker Cover: GF40
3.9 out of 5 Customer Rating
Rocker Cover: GF40
$21.17
Cap Screw 5x15mm (10): GT55 Cap Screw 5x15mm (10): GT55
4.7 out of 5 Customer Rating
Cap Screw 5x15mm (10): GT55
$13.78
Screw Set: FS-48 Surpass Screw Set: FS-48 Surpass
4.7 out of 5 Customer Rating
Screw Set: FS-48 Surpass
$10.90
Allen Head Screws M3.5x12 (10) Allen Head Screws M3.5x12 (10)
5 out of 5 Customer Rating
Allen Head Screws M3.5x12 (10)
$9.85
Exhaust Valve Assembly: 200 Surpass Exhaust Valve Assembly: 200 Surpass
5 out of 5 Customer Rating
Exhaust Valve Assembly: 200 Surpass
$44.22
Intake Valve: 56 FS Intake Valve: 56 FS
3.7 out of 5 Customer Rating
Intake Valve: 56 FS
$19.05
Valve Spring: 20-300 Valve Spring: 20-300
5 out of 5 Customer Rating
Valve Spring: 20-300
$6.49
Prop Shaft: OMA-50 Series Prop Shaft: OMA-50 Series
3.3 out of 5 Customer Rating
Prop Shaft: OMA-50 Series
$34.99
Cover Plate with BPS-1 Mount: 55HZ-R Cover Plate with BPS-1 Mount: 55HZ-R
5 out of 5 Customer Rating
Cover Plate with BPS-1 Mount: 55HZ-R
$11.72
Crankshaft: 56 FS Crankshaft: 56 FS
3.3 out of 5 Customer Rating
Crankshaft: 56 FS
$60.65
Crankcase: FS155A-P Crankcase: FS155A-P
4.5 out of 5 Customer Rating
Crankcase: FS155A-P
$174.52
Crankshaft: FS-62V Crankshaft: FS-62V
4.7 out of 5 Customer Rating
Crankshaft: FS-62V
$66.17
Crankshaft: GF40 Crankshaft: GF40
3.3 out of 5 Customer Rating
Crankshaft: GF40
$193.59
Cylinder Head: FS-120 Surpass III Cylinder Head: FS-120 Surpass III
4.1 out of 5 Customer Rating
Cylinder Head: FS-120 Surpass III
$97.80
Cylinder Head: FSa-72II Cylinder Head: FSa-72II
3.7 out of 5 Customer Rating
Cylinder Head: FSa-72II
$98.83
Cylinder Jacket: Sirius 7 Cylinder Jacket: Sirius 7
5 out of 5 Customer Rating
Cylinder Jacket: Sirius 7
$97.71
Cylinder Liner: 61SX WX Cylinder Liner: 61SX WX
4.5 out of 5 Customer Rating
Cylinder Liner: 61SX WX
$80.99
Carburetor Gasket: GT60 Carburetor Gasket: GT60
5 out of 5 Customer Rating
Carburetor Gasket: GT60
$10.94
Exhaust Pipe Assembly: FF-240 Exhaust Pipe Assembly: FF-240
3.3 out of 5 Customer Rating
Exhaust Pipe Assembly: FF-240
$22.24
Master Connecting Rod Assembly: Sirius 7 Master Connecting Rod Assembly: Sirius 7
4.1 out of 5 Customer Rating
Master Connecting Rod Assembly: Sirius 7
$87.29
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