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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145-168 of 1,813 Results
Cover Plate: 55AX Cover Plate: 55AX
3.4 out of 5 Customer Rating
Cover Plate: 55AX
$17.16
Cover Plate: FL-70 Cover Plate: FL-70
5 out of 5 Customer Rating
Cover Plate: FL-70
$9.99
Crankcase: FS72 Alpha Crankcase: FS72 Alpha
5 out of 5 Customer Rating
Crankcase: FS72 Alpha
$87.39
Cylinder Liner: GT33 Cylinder Liner: GT33
3.6 out of 5 Customer Rating
Cylinder Liner: GT33
$78.25
Drive Gear Screw: 240-300 Drive Gear Screw: 240-300
3.6 out of 5 Customer Rating
Drive Gear Screw: 240-300
$6.49
Drive Shaft Bearing: Sirius 7 Drive Shaft Bearing: Sirius 7
5 out of 5 Customer Rating
Drive Shaft Bearing: Sirius 7
$24.36
Drive Washer: 46AXII Drive Washer: 46AXII
3.6 out of 5 Customer Rating
Drive Washer: 46AXII
$13.83
Drive Washer: FS72 Alpha Drive Washer: FS72 Alpha
4 out of 5 Customer Rating
Drive Washer: FS72 Alpha
$19.05
Gasket Set: 91FX Gasket Set: 91FX
5 out of 5 Customer Rating
Gasket Set: 91FX
$8.43
Locknut Set: BGX 3500 Locknut Set: BGX 3500
3.2 out of 5 Customer Rating
Locknut Set: BGX 3500
$26.24
Needle Valve Assembly: 91SZ-H Hyper Needle Valve Assembly: 91SZ-H Hyper
5 out of 5 Customer Rating
Needle Valve Assembly: 91SZ-H Hyper
$29.60
Lever Metering Pin WLA-2: GT55 Lever Metering Pin WLA-2: GT55
4.8 out of 5 Customer Rating
Lever Metering Pin WLA-2: GT55
$6.49
Nozzle Assembly: FL-70 Nozzle Assembly: FL-70
3.6 out of 5 Customer Rating
Nozzle Assembly: FL-70
$21.10
Pushrod Cover: FS155A-P Pushrod Cover: FS155A-P
5 out of 5 Customer Rating
Pushrod Cover: FS155A-P
$10.94
Piston: GGT10 Piston: GGT10
5 out of 5 Customer Rating
Piston: GGT10
$52.58
Piston Ring: 32FH Piston Ring: 32FH
5 out of 5 Customer Rating
Piston Ring: 32FH
$26.24
Screw Set (12): FS-40 Surpass Screw Set (12): FS-40 Surpass
5 out of 5 Customer Rating
Screw Set (12): FS-40 Surpass
$9.44
Bearing Rear: 65AX Bearing Rear: 65AX
5 out of 5 Customer Rating
Bearing Rear: 65AX
$22.16
Rear Bearing: 108-160 Rear Bearing: 108-160
4.9 out of 5 Customer Rating
Rear Bearing: 108-160
$26.34
Cam Holder: Sirius 7 Cam Holder: Sirius 7
5 out of 5 Customer Rating
Cam Holder: Sirius 7
$48.41
Cam Cover: FS-40 Surpass Cam Cover: FS-40 Surpass
5 out of 5 Customer Rating
Cam Cover: FS-40 Surpass
$9.44
Cover Plate: 56 FS Cover Plate: 56 FS
3.7 out of 5 Customer Rating
Cover Plate: 56 FS
$15.76
Back Plate Parallel Pin: Sirius 7 Back Plate Parallel Pin: Sirius 7
4.5 out of 5 Customer Rating
Back Plate Parallel Pin: Sirius 7
$6.49
Cover Plate: FS72 Alpha Cover Plate: FS72 Alpha
4.5 out of 5 Customer Rating
Cover Plate: FS72 Alpha
$17.16
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