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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97-120 of 1,605 Results
Screw Set Speed (10): 21 V-Spec Screw Set Speed (10): 21 V-Spec
4.4 out of 5 Customer Rating
Screw Set Speed (10): 21 V-Spec
$9.99
Carburetor Washe:r #20A, B Carburetor Washe:r #20A, B
4 out of 5 Customer Rating
Carburetor Washe:r #20A, B
$6.49
Pushrod: FT-160 Pushrod: FT-160
5 out of 5 Customer Rating
Pushrod: FT-160
$9.44
Rocker Arm Assembly: 120 300 Rocker Arm Assembly: 120 300
5 out of 5 Customer Rating
Rocker Arm Assembly: 120 300
$32.56
202 Elements (4) 202 Elements (4)
5 out of 5 Customer Rating
202 Elements (4)
$13.78
Carburetor Reducer 6.5mm: Speed 21 V-SpecII Carburetor Reducer 6.5mm: Speed 21 V-SpecII
4.4 out of 5 Customer Rating
Carburetor Reducer 6.5mm: Speed 21 V-SpecII
$20.05
Dust Cap Set, 16mm (3) Dust Cap Set, 16mm (3)
5 out of 5 Customer Rating
Dust Cap Set, 16mm (3)
$11.91
Piston Pin: FS-90 160 Piston Pin: FS-90 160
4.1 out of 5 Customer Rating
Piston Pin: FS-90 160
$10.86
Silencer Body Gasket: 200 Surpass Silencer Body Gasket: 200 Surpass
3.3 out of 5 Customer Rating
Silencer Body Gasket: 200 Surpass
$2.24 Price reduced from $7.46 to
Clearance Sale! ⓘ
Hex Head Screw 5x55mm (10) Hex Head Screw 5x55mm (10)
3.2 out of 5 Customer Rating
Hex Head Screw 5x55mm (10)
$13.78
Pushrod Cover Assembly: 200 Surpass Pushrod Cover Assembly: 200 Surpass
5 out of 5 Customer Rating
Pushrod Cover Assembly: 200 Surpass
$11.84
Outer Head O.S. Speed T1204 Outer Head O.S. Speed T1204
3.8 out of 5 Customer Rating
Outer Head O.S. Speed T1204
$89.99
Inner Head: B2101 Speed Inner Head: B2101 Speed
4.4 out of 5 Customer Rating
Inner Head: B2101 Speed
$57.96
Throttle Stop Screw 22C(B): Speed B2102 Throttle Stop Screw 22C(B): Speed B2102
3.6 out of 5 Customer Rating
Throttle Stop Screw 22C(B): Speed B2102
$11.87
Rear Bearing: FS-62V Rear Bearing: FS-62V
4.5 out of 5 Customer Rating
Rear Bearing: FS-62V
$25.19
Mixture Control Valve Spring Mixture Control Valve Spring
5 out of 5 Customer Rating
Mixture Control Valve Spring
$1.95 Price reduced from $6.49 to
Clearance Sale! ⓘ
Silencer Body F-5030: FS81 Alpha Silencer Body F-5030: FS81 Alpha
5 out of 5 Customer Rating
Silencer Body F-5030: FS81 Alpha
$48.51
Silencer Body F-5040: FS110A Silencer Body F-5040: FS110A
4.7 out of 5 Customer Rating
Silencer Body F-5040: FS110A
$48.41
Carburetor Body: #60Y, FS110A Carburetor Body: #60Y, FS110A
3.3 out of 5 Customer Rating
Carburetor Body: #60Y, FS110A
$42.11
Carburetor Rotor: #40E Carburetor Rotor: #40E
3.3 out of 5 Customer Rating
Carburetor Rotor: #40E
$22.99
Inner Head O-Ring: (S-32)(Black) B2104 Inner Head O-Ring: (S-32)(Black) B2104
4.9 out of 5 Customer Rating
Inner Head O-Ring: (S-32)(Black) B2104
$10.70
Front Crankshaft Bearing: Speed T1202 Front Crankshaft Bearing: Speed T1202
5 out of 5 Customer Rating
Front Crankshaft Bearing: Speed T1202
$22.04
Crankshaft: FS72 Alpha Crankshaft: FS72 Alpha
3.7 out of 5 Customer Rating
Crankshaft: FS72 Alpha
$74.90
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
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