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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1,105-1,128 of 1,808 Results
Cylinder & Piston Assembly: O.S. Speed R2104 Cylinder & Piston Assembly: O.S. Speed R2104
3.3 out of 5 Customer Rating
Cylinder & Piston Assembly: O.S. Speed R2104
$243.06
O.S. Cylinder and Piston Assy Speed B2103 Type S O.S. Cylinder and Piston Assy Speed B2103 Type S
5 out of 5 Customer Rating
O.S. Cylinder and Piston Assy Speed B2103 Type S
$193.68
Outer Cylinder Head: R2103 Speed Outer Cylinder Head: R2103 Speed
5 out of 5 Customer Rating
Outer Cylinder Head: R2103 Speed
$102.35
Universal Nipple: #21, T1202 Speed Universal Nipple: #21, T1202 Speed
4.5 out of 5 Customer Rating
Universal Nipple: #21, T1202 Speed
$11.95
Head Gasket: B2101 Speed Head Gasket: B2101 Speed
4.7 out of 5 Customer Rating
Head Gasket: B2101 Speed
$12.04
Piston Pin: 25XZ Piston Pin: 25XZ
5 out of 5 Customer Rating
Piston Pin: 25XZ
$7.99
Screw Set (8): 18TZ-TX Screw Set (8): 18TZ-TX
4.7 out of 5 Customer Rating
Screw Set (8): 18TZ-TX
$9.85
Slide Valve 12F3: T1201 Speed Slide Valve 12F3: T1201 Speed
4.7 out of 5 Customer Rating
Slide Valve 12F3: T1201 Speed
$39.05
Outer Head: O.S. Speed B2104 Outer Head: O.S. Speed B2104
3.1 out of 5 Customer Rating
Outer Head: O.S. Speed B2104
$103.41
Carburetor 12F3: T1201 Speed Carburetor 12F3: T1201 Speed
3.1 out of 5 Customer Rating
Carburetor 12F3: T1201 Speed
$135.65
O.S. Carburetor Complete 22E(B)GT w o Reducer O.S. Carburetor Complete 22E(B)GT w o Reducer
3.3 out of 5 Customer Rating
O.S. Carburetor Complete 22E(B)GT w o Reducer
$205.96
T-1060 Silencer Clamp T-1060 Silencer Clamp
5 out of 5 Customer Rating
T-1060 Silencer Clamp
$11.47
Crankshaft Ball Bearing, Rear: Speed 21 V-Spec Crankshaft Ball Bearing, Rear: Speed 21 V-Spec
4.5 out of 5 Customer Rating
Crankshaft Ball Bearing, Rear: Speed 21 V-Spec
$119.78
Carburetor Body: 21J3 Carburetor Body: 21J3
3.7 out of 5 Customer Rating
Carburetor Body: 21J3
$87.19
Carburetor: #11K Slide, 18TZ, 21TM Carburetor: #11K Slide, 18TZ, 21TM
3.3 out of 5 Customer Rating
Carburetor: #11K Slide, 18TZ, 21TM
$96.66
O.S. Crankcase Speed B2103 Type S & Type R O.S. Crankcase Speed B2103 Type S & Type R
5 out of 5 Customer Rating
O.S. Crankcase Speed B2103 Type S & Type R
$147.19
Cylinder & Piston: T2101 Speed Cylinder & Piston: T2101 Speed
5 out of 5 Customer Rating
Cylinder & Piston: T2101 Speed
$138.14
Outer Head: Speed 12TZ Outer Head: Speed 12TZ
4.5 out of 5 Customer Rating
Outer Head: Speed 12TZ
$92.99
Needle 12F 11H 11K 12D Needle 12F 11H 11K 12D
5 out of 5 Customer Rating
Needle 12F 11H 11K 12D
$13.78
Speed Hex Wrench Driver 2.0mm Speed Hex Wrench Driver 2.0mm
3.3 out of 5 Customer Rating
Speed Hex Wrench Driver 2.0mm
$36.81
Carburetor Complete #40NA: 56FS Carburetor Complete #40NA: 56FS
5 out of 5 Customer Rating
Carburetor Complete #40NA: 56FS
$87.19
Carburetor Complete WT1054: GT22 Carburetor Complete WT1054: GT22
5 out of 5 Customer Rating
Carburetor Complete WT1054: GT22
$184.94
Muffler Extension: 761, 871 Muffler Extension: 761, 871
5 out of 5 Customer Rating
Muffler Extension: 761, 871
$16.09
Radial Mount Screw Set: Sirius 7 Radial Mount Screw Set: Sirius 7
5 out of 5 Customer Rating
Radial Mount Screw Set: Sirius 7
$15.76
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