Skip to main content Skip to footer content

O.S. Engines

O.S. Engines Category Image

Quality and performance has made O.S. the standard in RC engines for over 80 years.

Filter

Filter

1,009-1,032 of 1,755 Results

Speed Flywheel Key

Speed Flywheel Key

$36.84

Carburetor Reducer 6mm: Speed 21 V-Spec II

Carburetor Reducer 6mm: Speed 21 V-Spec II

$20.05

Crankcase: R21

$119.70

Crankcase: 30VG

Crankcase: 30VG

$26.21 ~~Price reduced from $87.39 to~~

Clearance Sale! ⓘ

Outer Head: B2101 Speed

Outer Head: B2101 Speed

$108.03

Mixture Control Valve: 12F2

Mixture Control Valve: 12F2

$17.16

Screw Set 12 (8)

Screw Set 12 (8)

$7.46

55HZ-R DRS Ringed .55 Helicopter Engine

55HZ-R DRS Ringed .55 Helicopter Engine

$510.44

101/102 Elements (6)

101/102 Elements (6)

$13.83

T-2090SC Tune Pipe: 21XZ-B, 21VZ-B, 25XZ, 30VG

T-2090SC Tune Pipe: 21XZ-B, 21VZ-B, 25XZ, 30VG

$173.43

Crankshaft: O.S. Speed R2104

Crankshaft: O.S. Speed R2104

$262.05

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

$309.38

Heat Sink Head: 18CV-R

Heat Sink Head: 18CV-R

$91.50

Radial Mount Set: GF30, GF30II

Radial Mount Set: GF30, GF30II

$99.99

Carburetor #70N: FS120SII

Carburetor #70N: FS120SII

$141.93

Cylinder Head Fixing Screws: 21TM

Cylinder Head Fixing Screws: 21TM

$9.85

Silencer Body: F6040, GF40

Silencer Body: F6040, GF40

$87.39

Cam Cover: FS81 Alpha

Cam Cover: FS81 Alpha

$10.82

Carburetor Body: #9B

Carburetor Body: #9B

$54.64

Choke Arm Assembly: WLA-2, GT55

Choke Arm Assembly: WLA-2, GT55

$7.46

Crankcase: FT-160

Crankcase: FT-160

$174.34

Back Plate: 40-46 LA

Back Plate: 40-46 LA

$11.80

Crankshaft: 55HZ Hyper

Crankshaft: 55HZ Hyper

$66.24

Crankshaft: FS120SEIII, FS120SE

Crankshaft: FS120SEIII, FS120SE

$102.52