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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1,513-1,536 of 1,605 Results
Crankshaft: FS81 Alpha Crankshaft: FS81 Alpha
5 out of 5 Customer Rating
Crankshaft: FS81 Alpha
$73.87
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
Intake Pipe Holder Assembly: FR5-300 Intake Pipe Holder Assembly: FR5-300
4 out of 5 Customer Rating
Intake Pipe Holder Assembly: FR5-300
$15.99
Cover Plate: 91SZ-H Cover Plate: 91SZ-H
5 out of 5 Customer Rating
Cover Plate: 91SZ-H
$20.99
Crankshaft: 35-40FP Crankshaft: 35-40FP
4.1 out of 5 Customer Rating
Crankshaft: 35-40FP
$28.68
Throttle Lever #11K Throttle Lever #11K
4 out of 5 Customer Rating
Throttle Lever #11K
$16.09
Carburetor 40L-R: 55HZ-R Carburetor 40L-R: 55HZ-R
5 out of 5 Customer Rating
Carburetor 40L-R: 55HZ-R
$78.13 Price reduced from $260.43 to
Clearance Sale! ⓘ
O.S.SPEED B2105 COMBO SET O.S.SPEED B2105 COMBO SET
5 out of 5 Customer Rating
O.S.SPEED B2105 COMBO SET
$937.99
MAX-B21 Car Engine Combo Set MAX-B21 Car Engine Combo Set
4.2 out of 5 Customer Rating
MAX-B21 Car Engine Combo Set
$499.99
MIXTURE CONTROL VALVE ASSEMBLY 20K2 MIXTURE CONTROL VALVE ASSEMBLY 20K2
5 out of 5 Customer Rating
MIXTURE CONTROL VALVE ASSEMBLY 20K2
$12.49
Cylinder Liner 91HZ-R Speed 3C Cylinder Liner 91HZ-R Speed 3C
4.7 out of 5 Customer Rating
Cylinder Liner 91HZ-R Speed 3C
$105.99
Carburetor Body: 22E Carburetor Body: 22E
4 out of 5 Customer Rating
Carburetor Body: 22E
$81.99
OUTER HEAD O.S.SPEED B2105 OUTER HEAD O.S.SPEED B2105
3.7 out of 5 Customer Rating
OUTER HEAD O.S.SPEED B2105
$93.99
Crankcase: O.S. MAX-B21 Crankcase: O.S. MAX-B21
5 out of 5 Customer Rating
Crankcase: O.S. MAX-B21
$89.99
CYLINDER/PISTON/ROD SET: OS SPEED B2105 CYLINDER/PISTON/ROD SET: OS SPEED B2105
4.5 out of 5 Customer Rating
CYLINDER/PISTON/ROD SET: OS SPEED B2105
$212.99
CARBURETOR COMPLETE 22E2(B) W/O REDUCER CARBURETOR COMPLETE 22E2(B) W/O REDUCER
4.8 out of 5 Customer Rating
CARBURETOR COMPLETE 22E2(B) W/O REDUCER
$137.99
CYLINDER/PISTON/ROD SET: O.S. MAX-B21 CYLINDER/PISTON/ROD SET: O.S. MAX-B21
3.4 out of 5 Customer Rating
CYLINDER/PISTON/ROD SET: O.S. MAX-B21
$124.99
CYLINDER/PISTON SET: OS SPEED B2105 CYLINDER/PISTON SET: OS SPEED B2105
5 out of 5 Customer Rating
CYLINDER/PISTON SET: OS SPEED B2105
$162.99
MAX-B21 Car Engine MAX-B21 Car Engine
3.1 out of 5 Customer Rating
MAX-B21 Car Engine
$349.99
2830610 Piston Pin GT33 2830610 Piston Pin GT33
5 out of 5 Customer Rating
2830610 Piston Pin GT33
$16.99
Inner Head: O.S. MAX-B21 Inner Head: O.S. MAX-B21
5 out of 5 Customer Rating
Inner Head: O.S. MAX-B21
$28.99
Cover Plate: O.S. MAX-B21 Cover Plate: O.S. MAX-B21
4.8 out of 5 Customer Rating
Cover Plate: O.S. MAX-B21
$17.99
Carburetor Complete 22E W/O Reducer: O.S. MAX-B21 Carburetor Complete 22E W/O Reducer: O.S. MAX-B21
5 out of 5 Customer Rating
Carburetor Complete 22E W/O Reducer: O.S. MAX-B21
$149.99
O.S. SPEED R2106 O.S. SPEED R2106
5 out of 5 Customer Rating
O.S. SPEED R2106
$804.99
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