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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968-991 of 1,808 Results
Piston Ring: FS-62V Piston Ring: FS-62V
4.7 out of 5 Customer Rating
Piston Ring: FS-62V
$34.76
Pushrods: 56FS-a Pushrods: 56FS-a
3.7 out of 5 Customer Rating
Pushrods: 56FS-a
$9.49
Rocker Cover, Black: FSa-56II Rocker Cover, Black: FSa-56II
3.3 out of 5 Customer Rating
Rocker Cover, Black: FSa-56II
$19.22
Rotor Stop Screw 25FX Rotor Stop Screw 25FX
3.3 out of 5 Customer Rating
Rotor Stop Screw 25FX
$6.45
Screw Set (12): 108FSR Screw Set (12): 108FSR
4.3 out of 5 Customer Rating
Screw Set (12): 108FSR
$17.16
Thrust Washer Rear 30Wankel Thrust Washer Rear 30Wankel
5 out of 5 Customer Rating
Thrust Washer Rear 30Wankel
$6.49
Valve: FS-62V Valve: FS-62V
3.3 out of 5 Customer Rating
Valve: FS-62V
$21.17
Valve Spring Retainer: 90-300 Valve Spring Retainer: 90-300
5 out of 5 Customer Rating
Valve Spring Retainer: 90-300
$6.49
Valve Spring Exhaust: FS-120 Surpass Valve Spring Exhaust: FS-120 Surpass
5 out of 5 Customer Rating
Valve Spring Exhaust: FS-120 Surpass
$6.49
Woodruff Key: 108-300 Woodruff Key: 108-300
5 out of 5 Customer Rating
Woodruff Key: 108-300
$8.49
Motor Mount: OMA-38 Series Motor Mount: OMA-38 Series
4.1 out of 5 Customer Rating
Motor Mount: OMA-38 Series
$15.99
Pump Unit PD-08: FS-200S-P Pump Unit PD-08: FS-200S-P
5 out of 5 Customer Rating
Pump Unit PD-08: FS-200S-P
$87.29
Motor Mount: FS70SII, FS81A Pump Motor Mount: FS70SII, FS81A Pump
4.7 out of 5 Customer Rating
Motor Mount: FS70SII, FS81A Pump
$42.23
Silencer Gasket: 56FS Silencer Gasket: 56FS
4.7 out of 5 Customer Rating
Silencer Gasket: 56FS
$6.49
Nipple: GGT10 Nipple: GGT10
4.5 out of 5 Customer Rating
Nipple: GGT10
$25.25
Camshaft Bearing: F 40-120 Camshaft Bearing: F 40-120
3.1 out of 5 Customer Rating
Camshaft Bearing: F 40-120
$17.16
Carburetor Body: #10H Carburetor Body: #10H
4.5 out of 5 Customer Rating
Carburetor Body: #10H
$13.99
Carburetor Body: 40L, 55HZ Hyper Carburetor Body: 40L, 55HZ Hyper
4.1 out of 5 Customer Rating
Carburetor Body: 40L, 55HZ Hyper
$76.68
Connecting Rod: 21VF/SE Connecting Rod: 21VF/SE
4.1 out of 5 Customer Rating
Connecting Rod: 21VF/SE
$21.10
Connecting Rod with Bearings: GT60 Connecting Rod with Bearings: GT60
3.7 out of 5 Customer Rating
Connecting Rod with Bearings: GT60
$97.90
Crankcase: FS81 Alpha Crankcase: FS81 Alpha
4.1 out of 5 Customer Rating
Crankcase: FS81 Alpha
$87.19
Crankshaft: 105HZ Crankshaft: 105HZ
5 out of 5 Customer Rating
Crankshaft: 105HZ
$102.41
Crankshaft: FT-120 160 Crankshaft: FT-120 160
4.1 out of 5 Customer Rating
Crankshaft: FT-120 160
$199.31
Cylinder Head: FS-95V Cylinder Head: FS-95V
4.5 out of 5 Customer Rating
Cylinder Head: FS-95V
$97.70
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