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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625-648 of 1,812 Results
Slide Valve Stop Screw #21J Slide Valve Stop Screw #21J
5 out of 5 Customer Rating
Slide Valve Stop Screw #21J
$11.87
#5 Recoil Starter Body #5 Recoil Starter Body
4.6 out of 5 Customer Rating
#5 Recoil Starter Body
$26.24
Ball Link No.5 18TM Ball Link No.5 18TM
4.4 out of 5 Customer Rating
Ball Link No.5 18TM
$16.09
Speed Hex Driver Replacement Tip 1.5 Speed Hex Driver Replacement Tip 1.5
4.4 out of 5 Customer Rating
Speed Hex Driver Replacement Tip 1.5
$18.39
Heat Sink Head: 91SX-H Heat Sink Head: 91SX-H
5 out of 5 Customer Rating
Heat Sink Head: 91SX-H
$57.99
Motor Mount: 15LA Motor Mount: 15LA
4.1 out of 5 Customer Rating
Motor Mount: 15LA
$22.26
Powerboost Pipe: III 50, 55HZ-H Powerboost Pipe: III 50, 55HZ-H
3.3 out of 5 Customer Rating
Powerboost Pipe: III 50, 55HZ-H
$184.86
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 Cover: FS-40 Surpass Cam Cover: FS-40 Surpass
5 out of 5 Customer Rating
Cam Cover: FS-40 Surpass
$9.44
Cam Holder: Sirius 7 Cam Holder: Sirius 7
5 out of 5 Customer Rating
Cam Holder: Sirius 7
$48.41
Connecting Rod Plate: GGT10 Connecting Rod Plate: GGT10
3.1 out of 5 Customer Rating
Connecting Rod Plate: GGT10
$22.26
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
Cover Plate: 91SZ-H Cover Plate: 91SZ-H
5 out of 5 Customer Rating
Cover Plate: 91SZ-H
$20.99
Crankcase: GGT10 Crankcase: GGT10
4.1 out of 5 Customer Rating
Crankcase: GGT10
$104.09
Crankshaft: 25AX Crankshaft: 25AX
3.3 out of 5 Customer Rating
Crankshaft: 25AX
$43.99
Cylinder Head: FS81 Alpha Cylinder Head: FS81 Alpha
5 out of 5 Customer Rating
Cylinder Head: FS81 Alpha
$76.86
Cylinder Head: FS155A-P Cylinder Head: FS155A-P
3.1 out of 5 Customer Rating
Cylinder Head: FS155A-P
$114.61
Cylinder Head: GT15 Cylinder Head: GT15
5 out of 5 Customer Rating
Cylinder Head: GT15
$52.69
Cylinder Jacket: IL-300 Dia-Star Cylinder Jacket: IL-300 Dia-Star
4.1 out of 5 Customer Rating
Cylinder Jacket: IL-300 Dia-Star
$162.95
Cylinder Liner: 55HZ Hyper Cylinder Liner: 55HZ Hyper
5 out of 5 Customer Rating
Cylinder Liner: 55HZ Hyper
$64.39
Drive Spacer: GT33 Drive Spacer: GT33
4.1 out of 5 Customer Rating
Drive Spacer: GT33
$44.22
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