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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1,441-1,464 of 1,605 Results
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
O.S. Carburetor Body 12F5(B) Speed T1203 O.S. Carburetor Body 12F5(B) Speed T1203
3.7 out of 5 Customer Rating
O.S. Carburetor Body 12F5(B) Speed T1203
$47.99
Crankshaft: 18TM Crankshaft: 18TM
5 out of 5 Customer Rating
Crankshaft: 18TM
$55.14
Piston Ring: GT60 Piston Ring: GT60
4.7 out of 5 Customer Rating
Piston Ring: GT60
$30.44
Prop Washer: GT55 Prop Washer: GT55
4.8 out of 5 Customer Rating
Prop Washer: GT55
$9.85
Rear Bearing: 61-300 Rear Bearing: 61-300
4.5 out of 5 Customer Rating
Rear Bearing: 61-300
$22.16
Carburetor Reducer 8mm, Red: Speed 21 V-Spec Carburetor Reducer 8mm, Red: Speed 21 V-Spec
4 out of 5 Customer Rating
Carburetor Reducer 8mm, Red: Speed 21 V-Spec
$21.10
Nozzle Screw: FS-40 Nozzle Screw: FS-40
5 out of 5 Customer Rating
Nozzle Screw: FS-40
$6.49
Inner Head: 25XZ Inner Head: 25XZ
3.7 out of 5 Customer Rating
Inner Head: 25XZ
$57.99
Crankshaft: FS81 Alpha Crankshaft: FS81 Alpha
5 out of 5 Customer Rating
Crankshaft: FS81 Alpha
$73.87
Mixture Control Vavle Assembly 70T: GF30 Mixture Control Vavle Assembly 70T: GF30
5 out of 5 Customer Rating
Mixture Control Vavle Assembly 70T: GF30
$27.29
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
Cylinder Rebuild Kit: B21 Speed Adam Drake Cylinder Rebuild Kit: B21 Speed Adam Drake
3.6 out of 5 Customer Rating
Cylinder Rebuild Kit: B21 Speed Adam Drake
$232.25
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
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
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
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
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
MIXTURE CONTROL VALVE ASSEMBLY 20K2 MIXTURE CONTROL VALVE ASSEMBLY 20K2
5 out of 5 Customer Rating
MIXTURE CONTROL VALVE ASSEMBLY 20K2
$12.49
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
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