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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765-788 of 1,605 Results
Rear Cover: Sirius 7 Rear Cover: Sirius 7
3.4 out of 5 Customer Rating
Rear Cover: Sirius 7
$87.53 Price reduced from $173.36 to
Clearance Sale! ⓘ
Back Plate: Sirius 7 Back Plate: Sirius 7
4.2 out of 5 Customer Rating
Back Plate: Sirius 7
$192.56 Price reduced from $466.21 to
Clearance Sale! ⓘ
Cover Plate: FS91-P Cover Plate: FS91-P
5 out of 5 Customer Rating
Cover Plate: FS91-P
$21.10
Carburetor 70R: FS155A-P Carburetor 70R: FS155A-P
5 out of 5 Customer Rating
Carburetor 70R: FS155A-P
$157.70
Carburetor: GT15HZ Carburetor: GT15HZ
5 out of 5 Customer Rating
Carburetor: GT15HZ
$190.20
M10 In-Cowl Exhaust Header Pipe Side 60D: FS56A M10 In-Cowl Exhaust Header Pipe Side 60D: FS56A
4 out of 5 Customer Rating
M10 In-Cowl Exhaust Header Pipe Side 60D: FS56A
$42.23
M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A
4.4 out of 5 Customer Rating
M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A
$36.85
Muffler Extension: #744B Muffler Extension: #744B
4 out of 5 Customer Rating
Muffler Extension: #744B
$19.05
Muffler Extension: #842 Muffler Extension: #842
3.4 out of 5 Customer Rating
Muffler Extension: #842
$11.72
Cam Cover: FS-20 Supass Cam Cover: FS-20 Supass
4 out of 5 Customer Rating
Cam Cover: FS-20 Supass
$7.99
Carburetor Body: 22B2, 21XZ-B Ver2 Carburetor Body: 22B2, 21XZ-B Ver2
5 out of 5 Customer Rating
Carburetor Body: 22B2, 21XZ-B Ver2
$23.99 Price reduced from $79.99 to
Clearance Sale! ⓘ
Carburetor Body: 21J3 Carburetor Body: 21J3
4 out of 5 Customer Rating
Carburetor Body: 21J3
$29.31 Price reduced from $97.70 to
Clearance Sale! ⓘ
Cylinder Rebuild Kit: R2101 Speed Cylinder Rebuild Kit: R2101 Speed
5 out of 5 Customer Rating
Cylinder Rebuild Kit: R2101 Speed
$232.21
O.S. Outer Head Speed: T1203 O.S. Outer Head Speed: T1203
3.9 out of 5 Customer Rating
O.S. Outer Head Speed: T1203
$89.99
Outer Head: 19XZ-B Speed Outer Head: 19XZ-B Speed
5 out of 5 Customer Rating
Outer Head: 19XZ-B Speed
$102.20
Carb Reducer 5.8MM Natural TYII Carb Reducer 5.8MM Natural TYII
3.4 out of 5 Customer Rating
Carb Reducer 5.8MM Natural TYII
$20.05
M2000SC 75mm Exhaust Manifold M2000SC 75mm Exhaust Manifold
3.4 out of 5 Customer Rating
M2000SC 75mm Exhaust Manifold
$63.18
Connecting Rod Bearing: GGT10 Connecting Rod Bearing: GGT10
5 out of 5 Customer Rating
Connecting Rod Bearing: GGT10
$7.63 Price reduced from $25.44 to
Clearance Sale! ⓘ
Rear Cover Plate: GT22 Rear Cover Plate: GT22
5 out of 5 Customer Rating
Rear Cover Plate: GT22
$30.44
Cover Plate: GT55 Cover Plate: GT55
5 out of 5 Customer Rating
Cover Plate: GT55
$41.99
Inner Head: 21XZ-B Inner Head: 21XZ-B
3.4 out of 5 Customer Rating
Inner Head: 21XZ-B
$52.99
Cylinder Head & Valve: FT-160 Cylinder Head & Valve: FT-160
4 out of 5 Customer Rating
Cylinder Head & Valve: FT-160
$135.63
Cylinder Liner: GT55 Cylinder Liner: GT55
4.2 out of 5 Customer Rating
Cylinder Liner: GT55
$44.33 Price reduced from $118.99 to
Clearance Sale! ⓘ
Collector Ring: FR7 Sirius 7 Collector Ring: FR7 Sirius 7
5 out of 5 Customer Rating
Collector Ring: FR7 Sirius 7
$346.62
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