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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1,136-1,159 of 1,808 Results
Connecting Rod: FS-95V Connecting Rod: FS-95V
5 out of 5 Customer Rating
Connecting Rod: FS-95V
$30.44
Carburetor Insert: 80T, Sirius 7 Carburetor Insert: 80T, Sirius 7
3.3 out of 5 Customer Rating
Carburetor Insert: 80T, Sirius 7
$13.83
Cover Plate Assembly: 15LA Cover Plate Assembly: 15LA
4.1 out of 5 Customer Rating
Cover Plate Assembly: 15LA
$17.03
Starting Shaft: 18TM Starting Shaft: 18TM
3.9 out of 5 Customer Rating
Starting Shaft: 18TM
$17.01
Speed Flywheel Key Speed Flywheel Key
5 out of 5 Customer Rating
Speed Flywheel Key
$36.84
Inner Head O.S.Speed B21 Adam Drake II Inner Head O.S.Speed B21 Adam Drake II
3.7 out of 5 Customer Rating
Inner Head O.S.Speed B21 Adam Drake II
$57.75
Thrust Plate: O.S. Speed B2104 Thrust Plate: O.S. Speed B2104
5 out of 5 Customer Rating
Thrust Plate: O.S. Speed B2104
$9.53
Carburetor Reducer 6mm: Speed 21 V-Spec II Carburetor Reducer 6mm: Speed 21 V-Spec II
3.3 out of 5 Customer Rating
Carburetor Reducer 6mm: Speed 21 V-Spec II
$20.05
Carburetor Body: 22B, 21XR-B Carburetor Body: 22B, 21XR-B
4.1 out of 5 Customer Rating
Carburetor Body: 22B, 21XR-B
$63.18
Crankcase: R21 Crankcase: R21
3.7 out of 5 Customer Rating
Crankcase: R21
$119.70
Crankcase: 30VG Crankcase: 30VG
4.5 out of 5 Customer Rating
Crankcase: 30VG
$87.39
Cylinder & Piston: 15CV Cylinder & Piston: 15CV
5 out of 5 Customer Rating
Cylinder & Piston: 15CV
$64.42
Outer Head: B2101 Speed Outer Head: B2101 Speed
3.3 out of 5 Customer Rating
Outer Head: B2101 Speed
$108.03
Mixture Control Valve: 12F2 Mixture Control Valve: 12F2
5 out of 5 Customer Rating
Mixture Control Valve: 12F2
$17.16
Screw Set 12 (8) Screw Set 12 (8)
4.7 out of 5 Customer Rating
Screw Set 12 (8)
$7.46
Inner Head: T1204 with O-Ring Inner Head: T1204 with O-Ring
4.9 out of 5 Customer Rating
Inner Head: T1204 with O-Ring
$39.26
101/102 Elements (6) 101/102 Elements (6)
4.1 out of 5 Customer Rating
101/102 Elements (6)
$13.83
T-2090SC Tune Pipe: 21XZ-B, 21VZ-B, 25XZ, 30VG T-2090SC Tune Pipe: 21XZ-B, 21VZ-B, 25XZ, 30VG
3.3 out of 5 Customer Rating
T-2090SC Tune Pipe: 21XZ-B, 21VZ-B, 25XZ, 30VG
$173.43
O.S. Carburetor Body 12F5(B) Speed T1203 O.S. Carburetor Body 12F5(B) Speed T1203
3.7 out of 5 Customer Rating
O.S. Carburetor Body 12F5(B) Speed T1203
$47.99
Connecting Rod with Retainers: Speed T1201 Connecting Rod with Retainers: Speed T1201
4.1 out of 5 Customer Rating
Connecting Rod with Retainers: Speed T1201
$44.17
Crankcase: B2102 Speed Crankcase: B2102 Speed
4.9 out of 5 Customer Rating
Crankcase: B2102 Speed
$147.19
Crankshaft: O.S. Speed R2104 Crankshaft: O.S. Speed R2104
5 out of 5 Customer Rating
Crankshaft: O.S. Speed R2104
$262.05
Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104 Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104
5 out of 5 Customer Rating
Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104
$309.38
Heat Sink Head: 18CV-R Heat Sink Head: 18CV-R
4.5 out of 5 Customer Rating
Heat Sink Head: 18CV-R
$91.50
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