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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1,465-1,488 of 1,605 Results
Crankcase: O.S. MAX-B21 Crankcase: O.S. MAX-B21
5 out of 5 Customer Rating
Crankcase: O.S. MAX-B21
$89.99
2830610 Piston Pin GT33 2830610 Piston Pin GT33
5 out of 5 Customer Rating
2830610 Piston Pin GT33
$16.99
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
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 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
O.S. SPEED R2106 COMBO SET O.S. SPEED R2106 COMBO SET
3.4 out of 5 Customer Rating
O.S. SPEED R2106 COMBO SET
$976.99
CYLINDER/PISTON SET O.S. MAX-B21 CYLINDER/PISTON SET O.S. MAX-B21
4.5 out of 5 Customer Rating
CYLINDER/PISTON SET O.S. MAX-B21
$93.99
Outer Head: O.S. MAX-B21 Outer Head: O.S. MAX-B21
3.7 out of 5 Customer Rating
Outer Head: O.S. MAX-B21
$73.99
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
CRANKSHAFT O.S.SPEED B2105 CRANKSHAFT O.S.SPEED B2105
3.4 out of 5 Customer Rating
CRANKSHAFT O.S.SPEED B2105
$174.99
O.S. Speed R2105 Engine O.S. Speed R2105 Engine
4.5 out of 5 Customer Rating
O.S. Speed R2105 Engine
$815.99
120AX Ringed 1.20 Airplane Glow Engine with Muffler 120AX Ringed 1.20 Airplane Glow Engine with Muffler
3.4 out of 5 Customer Rating
120AX Ringed 1.20 Airplane Glow Engine with Muffler
$381.12
Drive Shaft: 21XM Drive Shaft: 21XM
5 out of 5 Customer Rating
Drive Shaft: 21XM
$13.93 Price reduced from $46.43 to
Clearance Sale! ⓘ
Flex Shaft: 21XM Flex Shaft: 21XM
4.4 out of 5 Customer Rating
Flex Shaft: 21XM
$8.09 Price reduced from $25.20 to
Clearance Sale! ⓘ
Flywheel #2J Flywheel #2J
5 out of 5 Customer Rating
Flywheel #2J
$9.81 Price reduced from $31.50 to
Clearance Sale! ⓘ
Needle Valve Assembly #12FB: 12XZ Speed Needle Valve Assembly #12FB: 12XZ Speed
3.3 out of 5 Customer Rating
Needle Valve Assembly #12FB: 12XZ Speed
$8.19 Price reduced from $27.29 to
Clearance Sale! ⓘ
Cylinder Liner: 70SZ-H Cylinder Liner: 70SZ-H
4 out of 5 Customer Rating
Cylinder Liner: 70SZ-H
$29.90 Price reduced from $99.65 to
Clearance Sale! ⓘ
Crankshaft: T1202 Speed Crankshaft: T1202 Speed
4.8 out of 5 Customer Rating
Crankshaft: T1202 Speed
$37.63 Price reduced from $125.42 to
Clearance Sale! ⓘ
Rocker Arm: FS-62V Rocker Arm: FS-62V
4.1 out of 5 Customer Rating
Rocker Arm: FS-62V
$7.63 Price reduced from $25.44 to
Clearance Sale! ⓘ
Venturi #61N: FS72A Venturi #61N: FS72A
4.4 out of 5 Customer Rating
Venturi #61N: FS72A
$5.74 Price reduced from $19.14 to
Clearance Sale! ⓘ
Crankcase: 30VG Crankcase: 30VG
4.5 out of 5 Customer Rating
Crankcase: 30VG
$26.21 Price reduced from $87.39 to
Clearance Sale! ⓘ
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