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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769-792 of 1,808 Results
Crankshaft: 30VG Crankshaft: 30VG
4 out of 5 Customer Rating
Crankshaft: 30VG
$52.99
Cylinder/Piston/Rod: T1201 Speed Cylinder/Piston/Rod: T1201 Speed
5 out of 5 Customer Rating
Cylinder/Piston/Rod: T1201 Speed
$193.94
Cylinder Rebuild Kit: 21XZ-B Spec 2 Cylinder Rebuild Kit: 21XZ-B Spec 2
4 out of 5 Customer Rating
Cylinder Rebuild Kit: 21XZ-B Spec 2
$254.73
Cylinder & Piston: 21VZ-M Cylinder & Piston: 21VZ-M
4.4 out of 5 Customer Rating
Cylinder & Piston: 21VZ-M
$58.82 Price reduced from $168.08 to
Clearance Sale! ⓘ
Outer Head: R21 Outer Head: R21
3.6 out of 5 Customer Rating
Outer Head: R21
$96.84
Cylinder Piston Rod Rebuild Kit: R2103 Speed Cylinder Piston Rod Rebuild Kit: R2103 Speed
5 out of 5 Customer Rating
Cylinder Piston Rod Rebuild Kit: R2103 Speed
$253.61
Inner Head: 19XZ-B Speed Inner Head: 19XZ-B Speed
5 out of 5 Customer Rating
Inner Head: 19XZ-B Speed
$57.73
Inner Head: B2101 Speed Inner Head: B2101 Speed
4.4 out of 5 Customer Rating
Inner Head: B2101 Speed
$57.96
Dust Cap Set: RZ-V P Dust Cap Set: RZ-V P
5 out of 5 Customer Rating
Dust Cap Set: RZ-V P
$7.46
Dust Cap Set: 12-30 Class Dust Cap Set: 12-30 Class
3.6 out of 5 Customer Rating
Dust Cap Set: 12-30 Class
$9.85
Mixture Control Screw #11L Mixture Control Screw #11L
5 out of 5 Customer Rating
Mixture Control Screw #11L
$11.80
Screw Idle Speed WLA-2: GT55 Screw Idle Speed WLA-2: GT55
3.4 out of 5 Customer Rating
Screw Idle Speed WLA-2: GT55
$23.99
Screw Set (8): 12CV-X Screw Set (8): 12CV-X
5 out of 5 Customer Rating
Screw Set (8): 12CV-X
$7.46
Slide Valve 12F2: 12XZ Speed Spec 3 Slide Valve 12F2: 12XZ Speed Spec 3
4 out of 5 Customer Rating
Slide Valve 12F2: 12XZ Speed Spec 3
$33.61
Starting Shaft: 30VG ES Starting Shaft: 30VG ES
5 out of 5 Customer Rating
Starting Shaft: 30VG ES
$22.30
Throttle Stop Screw 22C(B): Speed B2102 Throttle Stop Screw 22C(B): Speed B2102
3.6 out of 5 Customer Rating
Throttle Stop Screw 22C(B): Speed B2102
$11.87
Diaphragm (PD-09): GF30 II Diaphragm (PD-09): GF30 II
4.5 out of 5 Customer Rating
Diaphragm (PD-09): GF30 II
$7.99
Carburetor #21K: 35AX Carburetor #21K: 35AX
4.5 out of 5 Customer Rating
Carburetor #21K: 35AX
$87.29
Carburetor 61HB: GGT10 Gasoline Engine Carburetor 61HB: GGT10 Gasoline Engine
5 out of 5 Customer Rating
Carburetor 61HB: GGT10 Gasoline Engine
$147.01
Cylinder Head: 25LA Natural Cylinder Head: 25LA Natural
5 out of 5 Customer Rating
Cylinder Head: 25LA Natural
$17.08
OCA-240 40A 25V ESC with OCP-2 Programming Card OCA-240 40A 25V ESC with OCP-2 Programming Card
3.7 out of 5 Customer Rating
OCA-240 40A 25V ESC with OCP-2 Programming Card
$109.99
Rear Bearing: FS-62V Rear Bearing: FS-62V
4.5 out of 5 Customer Rating
Rear Bearing: FS-62V
$25.19
Rear Bearing: 25FX, 32F Rear Bearing: 25FX, 32F
4.1 out of 5 Customer Rating
Rear Bearing: 25FX, 32F
$21.17
Cam Cover: FS-120 Surpass Cam Cover: FS-120 Surpass
4.1 out of 5 Customer Rating
Cam Cover: FS-120 Surpass
$10.86
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