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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200-223 of 1,808 Results
Cover Plate: 160FX Cover Plate: 160FX
4.5 out of 5 Customer Rating
Cover Plate: 160FX
$19.14
Ball Link #3 20K: 21VZ-R Ball Link #3 20K: 21VZ-R
5 out of 5 Customer Rating
Ball Link #3 20K: 21VZ-R
$17.16
O.S. Ball Link #6 22D Carb Speed B2103 Type S O.S. Ball Link #6 22D Carb Speed B2103 Type S
5 out of 5 Customer Rating
O.S. Ball Link #6 22D Carb Speed B2103 Type S
$17.16
Carb Reducer 7.5mm, Blue Carb Reducer 7.5mm, Blue
5 out of 5 Customer Rating
Carb Reducer 7.5mm, Blue
$20.99
Carburetor 12F4-B: Speed T1202 Carburetor 12F4-B: Speed T1202
3.1 out of 5 Customer Rating
Carburetor 12F4-B: Speed T1202
$125.13
18TM Revo Manifold 18TM Revo Manifold
4.1 out of 5 Customer Rating
18TM Revo Manifold
$52.77
RP6 Turbo Glow Plug Medium On-Road RP6 Turbo Glow Plug Medium On-Road
4.5 out of 5 Customer Rating
RP6 Turbo Glow Plug Medium On-Road
$14.99
Crankcase: 12XZ Spec II Speed Crankcase: 12XZ Spec II Speed
4.1 out of 5 Customer Rating
Crankcase: 12XZ Spec II Speed
$69.99
Crankshaft: 21XZ-B Spec 2 Crankshaft: 21XZ-B Spec 2
3.9 out of 5 Customer Rating
Crankshaft: 21XZ-B Spec 2
$210.21
Cylinder & Piston Assembly: R2101 Speed Cylinder & Piston Assembly: R2101 Speed
4.7 out of 5 Customer Rating
Cylinder & Piston Assembly: R2101 Speed
$177.63
Inner Head: B2102 Speed Inner Head: B2102 Speed
4.7 out of 5 Customer Rating
Inner Head: B2102 Speed
$52.69
Inner Head: O.S. Speed R2104 Inner Head: O.S. Speed R2104
5 out of 5 Customer Rating
Inner Head: O.S. Speed R2104
$76.71
Idle Adj Valve STP #6H7L8H Idle Adj Valve STP #6H7L8H
4.1 out of 5 Customer Rating
Idle Adj Valve STP #6H7L8H
$6.49
Metering Needle #11H #11HB Metering Needle #11H #11HB
4.7 out of 5 Customer Rating
Metering Needle #11H #11HB
$16.09
Meter Needle Assembly #12FB: 12XZ Speed Meter Needle Assembly #12FB: 12XZ Speed
5 out of 5 Customer Rating
Meter Needle Assembly #12FB: 12XZ Speed
$17.99
Piston Pin: 21XZ-R Piston Pin: 21XZ-R
4.1 out of 5 Customer Rating
Piston Pin: 21XZ-R
$9.85
105HZ 1.05 Helicopter Engine 105HZ 1.05 Helicopter Engine
5 out of 5 Customer Rating
105HZ 1.05 Helicopter Engine
$649.99
Carburetor Reducer 9mm, Red: Speed 21 V-Spec Carburetor Reducer 9mm, Red: Speed 21 V-Spec
4.1 out of 5 Customer Rating
Carburetor Reducer 9mm, Red: Speed 21 V-Spec
$21.10
Carburetor Reducer 8.5mm, Purple: 21M Carburetor Reducer 8.5mm, Purple: 21M
5 out of 5 Customer Rating
Carburetor Reducer 8.5mm, Purple: 21M
$21.10
Rear Bearing: 12 Rear Bearing: 12
4.1 out of 5 Customer Rating
Rear Bearing: 12
$21.17
Cover Plate: 28XZ Cover Plate: 28XZ
5 out of 5 Customer Rating
Cover Plate: 28XZ
$22.26
Crankcase: 19XZ-B Speed Crankcase: 19XZ-B Speed
3.3 out of 5 Customer Rating
Crankcase: 19XZ-B Speed
$157.70
Crankshaft: 12TG-P Crankshaft: 12TG-P
4.5 out of 5 Customer Rating
Crankshaft: 12TG-P
$50.83
Crankshaft: 21 Speed V-Spec Crankshaft: 21 Speed V-Spec
5 out of 5 Customer Rating
Crankshaft: 21 Speed V-Spec
$174.99
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