O.S. Engines

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

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957-980 of 1,605 Results

Mixture Control Valve #20K

$19.05

Needle Valve Assembly 12F2-B: Speed T1202

$8.19 ~~Price reduced from $27.29 to~~

Clearance Sale! ⓘ

Rotor Stop Screw #2FB #2F

$6.45

Slide Valve 22C(B): Speed B2102

$10.08 ~~Price reduced from $33.61 to~~

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Crankcase O.S. Speed T1204

$86.74

Outer Head O.S. Speed B21 Adam Drake Edition 3

$97.99

M2001SC Manifold: 21XZ-R, 21VG

$67.39

Crankshaft: B2101 Speed

$205.99

O.S. Cylinder Piston Rod Set Speed: T1203

$176.79

Outerhead: 21XR-B Version II

$24.09 ~~Price reduced from $80.29 to~~

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O.S. Dust Cover 21E 21F 22D 22J

$11.91

Outer Head: R2102 Speed

$91.34

Piston Pin: 30VG

$11.91

Carburetor 40L: 55HZ Hyper

$152.36

#7 Glow Plug, Medium Hot Air

$11.99

Breather Nipple: FS-20, 40

$6.49

Cam Follower: FS-61, 48 Surpass

$17.08

Carburetor Body: 70R, FS155A-P

$97.81

Cover Plate: GGT10

$6.68 ~~Price reduced from $22.26 to~~

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Crankcase: 37SZ-H

$52.69

Cylinder Head: 56 FS

$63.20

Cylinder Jacket: FT-160

$70.37

Cylinder Liner: 91FX

$26.68 ~~Price reduced from $88.92 to~~

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Cylinder Liner: 56 FS

$9.03 ~~Price reduced from $30.10 to~~

Clearance Sale! ⓘ