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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1,509-1,532 of 1,605 Results
Crankcase: 21XZ-GT Speed Crankcase: 21XZ-GT Speed
5 out of 5 Customer Rating
Crankcase: 21XZ-GT Speed
$54.48 Price reduced from $181.59 to
Clearance Sale! ⓘ
Outer Head: Speed 21XZ-GT Outer Head: Speed 21XZ-GT
3.9 out of 5 Customer Rating
Outer Head: Speed 21XZ-GT
$30.76 Price reduced from $102.52 to
Clearance Sale! ⓘ
Crankshaft: 12XZ Speed Spec II Crankshaft: 12XZ Speed Spec II
4.4 out of 5 Customer Rating
Crankshaft: 12XZ Speed Spec II
$35.99 Price reduced from $119.97 to
Clearance Sale! ⓘ
Muffler Screws #843 (2) Muffler Screws #843 (2)
5 out of 5 Customer Rating
Muffler Screws #843 (2)
$6.49
Gasket Set: 46AX Gasket Set: 46AX
3.1 out of 5 Customer Rating
Gasket Set: 46AX
$11.80
Woodruff Key: 120-240 Woodruff Key: 120-240
4.4 out of 5 Customer Rating
Woodruff Key: 120-240
$6.45
Connecting Rod: 40-46 Connecting Rod: 40-46
3.6 out of 5 Customer Rating
Connecting Rod: 40-46
$22.04
Remote Needle Bracket: 160FX Remote Needle Bracket: 160FX
3.3 out of 5 Customer Rating
Remote Needle Bracket: 160FX
$7.46
Rear Bearing: 108-160 Rear Bearing: 108-160
4.9 out of 5 Customer Rating
Rear Bearing: 108-160
$26.34
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
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