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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241-264 of 1,605 Results
Cover Plate: 15CV-A Cover Plate: 15CV-A
5 out of 5 Customer Rating
$10.99
Cover Plate: FS-200S-P Cover Plate: FS-200S-P
4.1 out of 5 Customer Rating
$25.44
Crankcase Heat Sink: 91HZ Crankcase Heat Sink: 91HZ
3.7 out of 5 Customer Rating
$29.60
Crankcase: 35AX Crankcase: 35AX
3.3 out of 5 Customer Rating
$48.51
Cylinder Head: GF40 Cylinder Head: GF40
3.7 out of 5 Customer Rating
$48.90 Price reduced from $163.01 to
Clearance Sale!
Cylinder Head: GGT15 Cylinder Head: GGT15
4.1 out of 5 Customer Rating
$52.69
Front Plate: Sirius 7 Front Plate: Sirius 7
5 out of 5 Customer Rating
$140.04 Price reduced from $346.53 to
Clearance Sale!
Cylinder Head Gasket, .2mm: 91HZ Cylinder Head Gasket, .2mm: 91HZ
3.7 out of 5 Customer Rating
$7.46
Mixture Control Valve 80T: Sirius 7 Mixture Control Valve 80T: Sirius 7
3.3 out of 5 Customer Rating
$6.33 Price reduced from $21.12 to
Clearance Sale!
Muffler Screws L (2): 120AX Muffler Screws L (2): 120AX
3.9 out of 5 Customer Rating
$6.49
Needle Assembly 80T: Sirius 7 Needle Assembly 80T: Sirius 7
5 out of 5 Customer Rating
$11.80
O-Ring Small: 120Surpass O-Ring Small: 120Surpass
3.9 out of 5 Customer Rating
$6.49
Pushrod Cover: FT-120-240 Pushrod Cover: FT-120-240
3.7 out of 5 Customer Rating
$4.58 Price reduced from $9.44 to
Clearance Sale!
Piston Pin Retainer P: 40-46 Piston Pin Retainer P: 40-46
3.9 out of 5 Customer Rating
$6.49
Piston Pin: FS-91 Surpass Piston Pin: FS-91 Surpass
3.3 out of 5 Customer Rating
$10.86
Reed Valve Assembly: GT33 Reed Valve Assembly: GT33
5 out of 5 Customer Rating
$26.99
Sensor Fixing Screw: GT33 Sensor Fixing Screw: GT33
5 out of 5 Customer Rating
$7.46
Screw Set (8): 15LA Screw Set (8): 15LA
3.9 out of 5 Customer Rating
$8.46
Valve Throttle WLA-2: GT55 Valve Throttle WLA-2: GT55
4.1 out of 5 Customer Rating
$15.76
Throttle Lever: #20C Throttle Lever: #20C
5 out of 5 Customer Rating
$7.49
Thrust Washer: 21-32 Thrust Washer: 21-32
3.3 out of 5 Customer Rating
$6.49
Valve Intake: FS-120 Surpass Valve Intake: FS-120 Surpass
3.9 out of 5 Customer Rating
$37.80
Carburetor 60PS: FS-95V Carburetor 60PS: FS-95V
4.5 out of 5 Customer Rating
$119.97
Locknut Set: FS-120 Surpass Locknut Set: FS-120 Surpass
5 out of 5 Customer Rating
$26.24