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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1,177-1,200 of 1,808 Results
Crankcase: O.S. Speed B2104 Crankcase: O.S. Speed B2104
4.2 out of 5 Customer Rating
Crankcase: O.S. Speed B2104
$147.18
O.S. Carburetor 12F5(B) Speed: T1203 O.S. Carburetor 12F5(B) Speed: T1203
4.2 out of 5 Customer Rating
O.S. Carburetor 12F5(B) Speed: T1203
$125.13
O.S. Carburetor 22D (B) Without Reducer B2103 O.S. Carburetor 22D (B) Without Reducer B2103
4 out of 5 Customer Rating
O.S. Carburetor 22D (B) Without Reducer B2103
$162.83
Carburetor Reducer 9mm, Blue: 21VB (P) V-Spec Carburetor Reducer 9mm, Blue: 21VB (P) V-Spec
4.8 out of 5 Customer Rating
Carburetor Reducer 9mm, Blue: 21VB (P) V-Spec
$11.80
P5 Turbo Glow Very Hot Plug Off-Road P5 Turbo Glow Very Hot Plug Off-Road
3.4 out of 5 Customer Rating
P5 Turbo Glow Very Hot Plug Off-Road
$18.99
Heat Sink Head: 50SX-H Heat Sink Head: 50SX-H
5 out of 5 Customer Rating
Heat Sink Head: 50SX-H
$50.76
Cover Plate: 50SX-H Cover Plate: 50SX-H
4.2 out of 5 Customer Rating
Cover Plate: 50SX-H
$11.80
Inner Head: Speed 21XZ-GT Inner Head: Speed 21XZ-GT
5 out of 5 Customer Rating
Inner Head: Speed 21XZ-GT
$52.69
O.S. Thermo Insulator 21J3 O.S. Thermo Insulator 21J3
3.4 out of 5 Customer Rating
O.S. Thermo Insulator 21J3
$14.99
Needle 21M: 21XZ-R Needle 21M: 21XZ-R
5 out of 5 Customer Rating
Needle 21M: 21XZ-R
$13.78
Metering Needle Assembly Speed 12TZ Metering Needle Assembly Speed 12TZ
5 out of 5 Customer Rating
Metering Needle Assembly Speed 12TZ
$19.14
Piston Pin: 18CV-R Piston Pin: 18CV-R
4.4 out of 5 Customer Rating
Piston Pin: 18CV-R
$14.07
Screw Set Speed (10): 21 V-Spec Screw Set Speed (10): 21 V-Spec
4.4 out of 5 Customer Rating
Screw Set Speed (10): 21 V-Spec
$9.99
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
Crankshaft O.S.Speed B21 Adam Drake II Crankshaft O.S.Speed B21 Adam Drake II
5 out of 5 Customer Rating
Crankshaft O.S.Speed B21 Adam Drake II
$193.59
Inner Head With O-Ring: O.S. Speed B2104 Inner Head With O-Ring: O.S. Speed B2104
3.8 out of 5 Customer Rating
Inner Head With O-Ring: O.S. Speed B2104
$59.01
Carburetor 21M: 21XZ-R VII Carburetor 21M: 21XZ-R VII
5 out of 5 Customer Rating
Carburetor 21M: 21XZ-R VII
$157.70
T-2080SC Silencer: 21XZ-R, 21VG T-2080SC Silencer: 21XZ-R, 21VG
3.6 out of 5 Customer Rating
T-2080SC Silencer: 21XZ-R, 21VG
$184.82
Carburetor Body: 21M(B), 21XZ-R Speed Carburetor Body: 21M(B), 21XZ-R Speed
4 out of 5 Customer Rating
Carburetor Body: 21M(B), 21XZ-R Speed
$97.81
Crankshaft: R2103 Speed Crankshaft: R2103 Speed
3.6 out of 5 Customer Rating
Crankshaft: R2103 Speed
$215.83
Crankshaft: 25XZ Crankshaft: 25XZ
3.4 out of 5 Customer Rating
Crankshaft: 25XZ
$114.99
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