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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649-672 of 1,605 Results
Main Shaft: OMA-3820-1200W Main Shaft: OMA-3820-1200W
3.5 out of 5 Customer Rating
Main Shaft: OMA-3820-1200W
$8.99
Carburetor 61H: GT15 Carburetor 61H: GT15
3.7 out of 5 Customer Rating
Carburetor 61H: GT15
$147.01
Exhaust Header Pipe Assembly: F6020 FS155A-P Exhaust Header Pipe Assembly: F6020 FS155A-P
5 out of 5 Customer Rating
Exhaust Header Pipe Assembly: F6020 FS155A-P
$25.29
Carburetor HAD313: GT60 Carburetor HAD313: GT60
5 out of 5 Customer Rating
Carburetor HAD313: GT60
$190.09
Cylinder Head Screws: 56 FS Cylinder Head Screws: 56 FS
3.3 out of 5 Customer Rating
Cylinder Head Screws: 56 FS
$9.85
Motor Mount: FT120, FT160 Motor Mount: FT120, FT160
3.7 out of 5 Customer Rating
Motor Mount: FT120, FT160
$44.13
Motor Mount: FS52S, 56A Motor Mount: FS52S, 56A
4.5 out of 5 Customer Rating
Motor Mount: FS52S, 56A
$36.85
Rear Bearing: FS120 III Rear Bearing: FS120 III
3.7 out of 5 Customer Rating
Rear Bearing: FS120 III
$10.08 Price reduced from $33.61 to
Clearance Sale! ⓘ
Front Ball Bearing: 40, 46, 48 Front Ball Bearing: 40, 46, 48
3.7 out of 5 Customer Rating
Front Ball Bearing: 40, 46, 48
$21.17
Speed Hex Wrench Ball Driver 2.0mm Speed Hex Wrench Ball Driver 2.0mm
3.3 out of 5 Customer Rating
Speed Hex Wrench Ball Driver 2.0mm
$36.84
55HZ-H Hyper Ringed .55 Helicopter Engine 55HZ-H Hyper Ringed .55 Helicopter Engine
3.3 out of 5 Customer Rating
55HZ-H Hyper Ringed .55 Helicopter Engine
$418.63
Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4 Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4
4.9 out of 5 Customer Rating
Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4
$111.36
Carburetor Reducer 6.5mm, Red: B2101 Speed Carburetor Reducer 6.5mm, Red: B2101 Speed
3.7 out of 5 Customer Rating
Carburetor Reducer 6.5mm, Red: B2101 Speed
$21.10
Carburetor Reducer 7mm, Red: Speed 21 V-Spec Carburetor Reducer 7mm, Red: Speed 21 V-Spec
5 out of 5 Customer Rating
Carburetor Reducer 7mm, Red: Speed 21 V-Spec
$21.10
T-1070SC L52 Pipe T-1070SC L52 Pipe
5 out of 5 Customer Rating
T-1070SC L52 Pipe
$135.44
Inner Head: O.S.SPEED R21GT2 Inner Head: O.S.SPEED R21GT2
4.9 out of 5 Customer Rating
Inner Head: O.S.SPEED R21GT2
$57.99
TR02 Tuned Silencer Set EFRA2165 TR02 Tuned Silencer Set EFRA2165
4.7 out of 5 Customer Rating
TR02 Tuned Silencer Set EFRA2165
$227.84
Cover Plate: 12TG Cover Plate: 12TG
5 out of 5 Customer Rating
Cover Plate: 12TG
$11.80
Cover Plate: 105HX-R Cover Plate: 105HX-R
5 out of 5 Customer Rating
Cover Plate: 105HX-R
$28.45
Crankcase: 21XZ-R VII Crankcase: 21XZ-R VII
3.1 out of 5 Customer Rating
Crankcase: 21XZ-R VII
$45.70 Price reduced from $152.36 to
Clearance Sale! ⓘ
Cylinder & Piston Assembly: 12XZ Cylinder & Piston Assembly: 12XZ
3.3 out of 5 Customer Rating
Cylinder & Piston Assembly: 12XZ
$99.51
Inner Cylinder Head: 12XZ Inner Cylinder Head: 12XZ
4.1 out of 5 Customer Rating
Inner Cylinder Head: 12XZ
$32.56
Carburetor Dust Covers: #12FB, 12XZ Speed Carburetor Dust Covers: #12FB, 12XZ Speed
5 out of 5 Customer Rating
Carburetor Dust Covers: #12FB, 12XZ Speed
$7.46
Piston Pin Retainer: RX RZ XM Piston Pin Retainer: RX RZ XM
4.7 out of 5 Customer Rating
Piston Pin Retainer: RX RZ XM
$1.95 Price reduced from $6.49 to
Clearance Sale! ⓘ
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