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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1,173-1,196 of 1,605 Results
Electronic Ignition Module: GT55 Electronic Ignition Module: GT55
4.8 out of 5 Customer Rating
$303.45
Intake Manifold Assembly: FS-120III Intake Manifold Assembly: FS-120III
5 out of 5 Customer Rating
$34.86
Mixture Control Valve: #60K Mixture Control Valve: #60K
5 out of 5 Customer Rating
$7.79 Price reduced from $25.99 to
Clearance Sale!
Muffler Assembly F-5050: FS-95V Muffler Assembly F-5050: FS-95V
4.4 out of 5 Customer Rating
$63.04
Piston Pin: FS-95V Piston Pin: FS-95V
5 out of 5 Customer Rating
$11.95
Piston Pin: 61-300 Piston Pin: 61-300
4.4 out of 5 Customer Rating
$10.86
Prop Nut 10453 10-12 Prop Nut 10453 10-12
4.4 out of 5 Customer Rating
$6.49
Reed Valve Assembly: GT60 Reed Valve Assembly: GT60
5 out of 5 Customer Rating
$25.19
Rotor Stop Screw #4D Rotor Stop Screw #4D
4.4 out of 5 Customer Rating
$6.49
Thrust Washer: 120Surpass Thrust Washer: 120Surpass
4 out of 5 Customer Rating
$6.49
Dust Cover: #2BK Dust Cover: #2BK
4 out of 5 Customer Rating
$10.86
Gasket Set: 12TZ Gasket Set: 12TZ
4.2 out of 5 Customer Rating
$10.94
Head Gasket: 0.1, 0.15, T1201 Speed Head Gasket: 0.1, 0.15, T1201 Speed
3.6 out of 5 Customer Rating
$9.55
Head Gasket: 15CV Head Gasket: 15CV
4.8 out of 5 Customer Rating
$6.49
Needle Valve Assembly #10J #10M Needle Valve Assembly #10J #10M
4.4 out of 5 Customer Rating
$26.24
Mixture Control Valve 21M Mixture Control Valve 21M
5 out of 5 Customer Rating
$19.05
Throttle Stop Screw 18TM Throttle Stop Screw 18TM
5 out of 5 Customer Rating
$10.58
Speed Ball Driver Replacement Tip 2.5 Speed Ball Driver Replacement Tip 2.5
3.6 out of 5 Customer Rating
$18.53
Carburetor 21J4 (B) B21 Adam Drake II without Reducer Carburetor 21J4 (B) B21 Adam Drake II without Reducer
4 out of 5 Customer Rating
$119.76
M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG
4 out of 5 Customer Rating
$67.39
M2004SC 85mm Manifold M2004SC 85mm Manifold
4.8 out of 5 Customer Rating
$65.28
T-2060SC WN Tuned Pipe Complete Set T-2060SC WN Tuned Pipe Complete Set
4.4 out of 5 Customer Rating
$152.36
Front Bearing: 21XZ-B Front Bearing: 21XZ-B
5 out of 5 Customer Rating
$30.44
Cover Plate: R21 Cover Plate: R21
4 out of 5 Customer Rating
$6.61 Price reduced from $22.04 to
Clearance Sale!