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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1,633-1,656 of 1,812 Results
O.S. Cylinder and Piston Assy Speed B2103 Type R O.S. Cylinder and Piston Assy Speed B2103 Type R
3.3 out of 5 Customer Rating
O.S. Cylinder and Piston Assy Speed B2103 Type R
$193.68
Drive Washer: 12CV Drive Washer: 12CV
4.1 out of 5 Customer Rating
Drive Washer: 12CV
$6.49
Head Gasket Set: 12TZ Spec II Head Gasket Set: 12TZ Spec II
3.7 out of 5 Customer Rating
Head Gasket Set: 12TZ Spec II
$7.46
Gasket Head, .2 Aluminum: 21XZ-R Gasket Head, .2 Aluminum: 21XZ-R
5 out of 5 Customer Rating
Gasket Head, .2 Aluminum: 21XZ-R
$6.49
Mixture Control Screw #10M Mixture Control Screw #10M
3.7 out of 5 Customer Rating
Mixture Control Screw #10M
$11.80
O.S. Metering Needle (21M) R21GT O.S. Metering Needle (21M) R21GT
3.7 out of 5 Customer Rating
O.S. Metering Needle (21M) R21GT
$17.01
202 Elements (4) 202 Elements (4)
5 out of 5 Customer Rating
202 Elements (4)
$13.78
Carburetor 12F2-B: 12XZ Speed Spec 3 Carburetor 12F2-B: 12XZ Speed Spec 3
3.7 out of 5 Customer Rating
Carburetor 12F2-B: 12XZ Speed Spec 3
$118.99
T-2080 Manifold Assembly T-2080 Manifold Assembly
4.7 out of 5 Customer Rating
T-2080 Manifold Assembly
$61.99
Carburetor Body: 22C(B), Speed B2102 Carburetor Body: 22C(B), Speed B2102
4.7 out of 5 Customer Rating
Carburetor Body: 22C(B), Speed B2102
$87.19
O.S. Carburetor Body 22D (B) Speed B2103 Type S O.S. Carburetor Body 22D (B) Speed B2103 Type S
4.1 out of 5 Customer Rating
O.S. Carburetor Body 22D (B) Speed B2103 Type S
$87.19
Carburetor Rotor: #2A Carburetor Rotor: #2A
4.1 out of 5 Customer Rating
Carburetor Rotor: #2A
$11.72
Carburetor: #11KR Slide, 21TM-R Revo Carburetor: #11KR Slide, 21TM-R Revo
5 out of 5 Customer Rating
Carburetor: #11KR Slide, 21TM-R Revo
$92.46
O.S. Crankcase OS Speed R21GT O.S. Crankcase OS Speed R21GT
4.1 out of 5 Customer Rating
O.S. Crankcase OS Speed R21GT
$185.04
Outer Head: T1202 Speed Outer Head: T1202 Speed
5 out of 5 Customer Rating
Outer Head: T1202 Speed
$102.46
Outer Head: 12XZ Speed Spec II Outer Head: 12XZ Speed Spec II
5 out of 5 Customer Rating
Outer Head: 12XZ Speed Spec II
$79.99
Metering Needle Assembly 21M2(B) Speed: R2101 Metering Needle Assembly 21M2(B) Speed: R2101
4.5 out of 5 Customer Rating
Metering Needle Assembly 21M2(B) Speed: R2101
$19.14
Gasket Set: 12TZ Gasket Set: 12TZ
4.2 out of 5 Customer Rating
Gasket Set: 12TZ
$10.94
Dust Cover: #2BK Dust Cover: #2BK
4 out of 5 Customer Rating
Dust Cover: #2BK
$10.86
Head Gasket: 0.1, 0.15, T1201 Speed Head Gasket: 0.1, 0.15, T1201 Speed
3.6 out of 5 Customer Rating
Head Gasket: 0.1, 0.15, T1201 Speed
$9.55
Head Gasket: 15CV Head Gasket: 15CV
4.8 out of 5 Customer Rating
Head Gasket: 15CV
$6.49
Needle Valve Assembly #10J #10M Needle Valve Assembly #10J #10M
4.4 out of 5 Customer Rating
Needle Valve Assembly #10J #10M
$26.24
Mixture Control Valve 21M Mixture Control Valve 21M
5 out of 5 Customer Rating
Mixture Control Valve 21M
$19.05
Throttle Stop Screw 18TM Throttle Stop Screw 18TM
5 out of 5 Customer Rating
Throttle Stop Screw 18TM
$10.58
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