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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625-648 of 1,605 Results
Silencer Set: F6040, GF40 Silencer Set: F6040, GF40
5 out of 5 Customer Rating
Silencer Set: F6040, GF40
$97.82
Silencer: F-4020, 56FS Silencer: F-4020, 56FS
5 out of 5 Customer Rating
Silencer: F-4020, 56FS
$48.51
Breather Nipple: 120-300 Breather Nipple: 120-300
5 out of 5 Customer Rating
Breather Nipple: 120-300
$6.49
Camshaft: FS-120 Surpass Camshaft: FS-120 Surpass
4.1 out of 5 Customer Rating
Camshaft: FS-120 Surpass
$60.72
Camshaft Gear: FR5-300 Camshaft Gear: FR5-300
3.7 out of 5 Customer Rating
Camshaft Gear: FR5-300
$44.13
Carburetor Insert: 80T, Sirius 7 Carburetor Insert: 80T, Sirius 7
3.3 out of 5 Customer Rating
Carburetor Insert: 80T, Sirius 7
$4.15 Price reduced from $13.83 to
Clearance Sale! ⓘ
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
$18.95 Price reduced from $63.18 to
Clearance Sale! ⓘ
Crankcase: R21 Crankcase: R21
3.7 out of 5 Customer Rating
Crankcase: R21
$119.70
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
$5.15 Price reduced from $17.16 to
Clearance Sale! ⓘ
Needle Metering 21M: 21XZ-R VII Needle Metering 21M: 21XZ-R VII
5 out of 5 Customer Rating
Needle Metering 21M: 21XZ-R VII
$17.99
O.S. Carburetor 22E (B) Without Reducer Type R O.S. Carburetor 22E (B) Without Reducer Type R
4.2 out of 5 Customer Rating
O.S. Carburetor 22E (B) Without Reducer Type R
$162.83
M2000SC 75mm Exhaust Manifold M2000SC 75mm Exhaust Manifold
3.4 out of 5 Customer Rating
M2000SC 75mm Exhaust Manifold
$63.18
O.S. Cover Plate Speed B2103 Type R & Type S O.S. Cover Plate Speed B2103 Type R & Type S
3.4 out of 5 Customer Rating
O.S. Cover Plate Speed B2103 Type R & Type S
$25.40
Crankcase: 21XZ-R Speed Crankcase: 21XZ-R Speed
5 out of 5 Customer Rating
Crankcase: 21XZ-R Speed
$157.24
Crankshaft: 19XZ-B Speed Crankshaft: 19XZ-B Speed
4.8 out of 5 Customer Rating
Crankshaft: 19XZ-B Speed
$52.61 Price reduced from $175.75 to
Clearance Sale! ⓘ
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
Carburetor Reducer 7.0MM AL2, Blue Carburetor Reducer 7.0MM AL2, Blue
5 out of 5 Customer Rating
Carburetor Reducer 7.0MM AL2, Blue
$20.05
103 Air Cleaner Body 103 Air Cleaner Body
4.8 out of 5 Customer Rating
103 Air Cleaner Body
$10.99
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