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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1,269-1,292 of 1,605 Results
T-1060 Silencer Clamp T-1060 Silencer Clamp
5 out of 5 Customer Rating
T-1060 Silencer Clamp
$11.47
Carburetor: #11K Slide, 18TZ, 21TM Carburetor: #11K Slide, 18TZ, 21TM
3.3 out of 5 Customer Rating
Carburetor: #11K Slide, 18TZ, 21TM
$96.66
O.S. Crankcase Speed B2103 Type S & Type R O.S. Crankcase Speed B2103 Type S & Type R
5 out of 5 Customer Rating
O.S. Crankcase Speed B2103 Type S & Type R
$147.19
Outer Head: Speed 12TZ Outer Head: Speed 12TZ
4.5 out of 5 Customer Rating
Outer Head: Speed 12TZ
$92.99
Needle 12F 11H 11K 12D Needle 12F 11H 11K 12D
5 out of 5 Customer Rating
Needle 12F 11H 11K 12D
$13.78
Speed Hex Wrench Driver 2.0mm Speed Hex Wrench Driver 2.0mm
3.3 out of 5 Customer Rating
Speed Hex Wrench Driver 2.0mm
$36.81
Carburetor #61A: 75AX Carburetor #61A: 75AX
4.5 out of 5 Customer Rating
Carburetor #61A: 75AX
$97.80
Mid Bearing: 120-240 Mid Bearing: 120-240
5 out of 5 Customer Rating
Mid Bearing: 120-240
$32.99
Plug Cable: Sirius 7 Plug Cable: Sirius 7
3.1 out of 5 Customer Rating
Plug Cable: Sirius 7
$10.94
Carburetor Body: #20H Carburetor Body: #20H
3.7 out of 5 Customer Rating
Carburetor Body: #20H
$19.14
Carburetor Rotor: 40L, 55HZ Hyper Carburetor Rotor: 40L, 55HZ Hyper
3.7 out of 5 Customer Rating
Carburetor Rotor: 40L, 55HZ Hyper
$11.97 Price reduced from $39.91 to
Clearance Sale! ⓘ
Carburetor Insert: #9B Carburetor Insert: #9B
4.1 out of 5 Customer Rating
Carburetor Insert: #9B
$7.99
Carburetor Retainer: #61B, 91HZ Carburetor Retainer: #61B, 91HZ
5 out of 5 Customer Rating
Carburetor Retainer: #61B, 91HZ
$13.78
Choke Valve: 120-300 Choke Valve: 120-300
4.7 out of 5 Customer Rating
Choke Valve: 120-300
$31.52
Connecting Rod: 35-40FP, 40 LA Connecting Rod: 35-40FP, 40 LA
4.7 out of 5 Customer Rating
Connecting Rod: 35-40FP, 40 LA
$21.10
Cover Plate: FS155A-P Cover Plate: FS155A-P
5 out of 5 Customer Rating
Cover Plate: FS155A-P
$6.61 Price reduced from $22.04 to
Clearance Sale! ⓘ
Crankshaft: 15LA Crankshaft: 15LA
5 out of 5 Customer Rating
Crankshaft: 15LA
$23.22
Crankshaft: 120AX Crankshaft: 120AX
4.1 out of 5 Customer Rating
Crankshaft: 120AX
$80.37
Cylinder Head: 65AX Cylinder Head: 65AX
5 out of 5 Customer Rating
Cylinder Head: 65AX
$44.22
Cylinder Head: FT-160 Cylinder Head: FT-160
4.5 out of 5 Customer Rating
Cylinder Head: FT-160
$87.19
Cylinder Head: FF-320 Cylinder Head: FF-320
5 out of 5 Customer Rating
Cylinder Head: FF-320
$76.85
Cylinder Head & Valve: FT-300 Cylinder Head & Valve: FT-300
4.5 out of 5 Customer Rating
Cylinder Head & Valve: FT-300
$190.99
Cylinder Liner: 95AX Cylinder Liner: 95AX
4.1 out of 5 Customer Rating
Cylinder Liner: 95AX
$88.92
Cylinder Liner: FS-62V Cylinder Liner: FS-62V
5 out of 5 Customer Rating
Cylinder Liner: FS-62V
$35.47
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