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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920-943 of 1,808 Results
Cylinder Piston Assembly: R21 Cylinder Piston Assembly: R21
4.4 out of 5 Customer Rating
Cylinder Piston Assembly: R21
$132.77
Cylinder & Piston Assembly: 25XZ Cylinder & Piston Assembly: 25XZ
5 out of 5 Customer Rating
Cylinder & Piston Assembly: 25XZ
$159.99
Inner Head: R2101 Speed Inner Head: R2101 Speed
4 out of 5 Customer Rating
Inner Head: R2101 Speed
$52.69
O.S. Outer Head OS Speed R21GT O.S. Outer Head OS Speed R21GT
4.4 out of 5 Customer Rating
O.S. Outer Head OS Speed R21GT
$132.29
Outer Head: 21XZ-R Outer Head: 21XZ-R
4.8 out of 5 Customer Rating
Outer Head: 21XZ-R
$69.99
Outer Head O.S.Speed B21 Adam Drake II Outer Head O.S.Speed B21 Adam Drake II
4.8 out of 5 Customer Rating
Outer Head O.S.Speed B21 Adam Drake II
$107.98
LC3 T-Maxx Revo Glow Plug Hot LC3 T-Maxx Revo Glow Plug Hot
4.2 out of 5 Customer Rating
LC3 T-Maxx Revo Glow Plug Hot
$11.99
T-2080 C-Ring T-2080 C-Ring
3.6 out of 5 Customer Rating
T-2080 C-Ring
$9.19
Carburetor Rotor: 40L-R, 55HZ-R Carburetor Rotor: 40L-R, 55HZ-R
4.8 out of 5 Customer Rating
Carburetor Rotor: 40L-R, 55HZ-R
$39.91
Cylinder Rebuild Kit: 21XZ-GT Speed Cylinder Rebuild Kit: 21XZ-GT Speed
4.4 out of 5 Customer Rating
Cylinder Rebuild Kit: 21XZ-GT Speed
$221.55
Cylinder & Piston B2101 Speed Cylinder & Piston B2101 Speed
5 out of 5 Customer Rating
Cylinder & Piston B2101 Speed
$193.68
Outer Head: O.S. Speed R2104 Outer Head: O.S. Speed R2104
3.6 out of 5 Customer Rating
Outer Head: O.S. Speed R2104
$148.60
Carburetor #61A: 75AX Carburetor #61A: 75AX
4.5 out of 5 Customer Rating
Carburetor #61A: 75AX
$97.80
Carburetor: FT160, FF320 Carburetor: FT160, FF320
4.1 out of 5 Customer Rating
Carburetor: FT160, FF320
$102.95
Motor Mount: 25FX, 32SX, 35AX Motor Mount: 25FX, 32SX, 35AX
3.7 out of 5 Customer Rating
Motor Mount: 25FX, 32SX, 35AX
$25.29
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 Body: #120AX Carburetor Body: #120AX
4.5 out of 5 Customer Rating
Carburetor Body: #120AX
$48.51
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
Carburetor Rotor: 40L, 55HZ Hyper Carburetor Rotor: 40L, 55HZ Hyper
3.7 out of 5 Customer Rating
Carburetor Rotor: 40L, 55HZ Hyper
$39.91
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
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