O.S. Engines

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

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1,345-1,368 of 1,605 Results

Cylinder Liner: 55HZ Hyper

$64.39

Cylinder Liner: FS72 Alpha

$43.02

Drive Hub: 140RX

$26.24

Drive Spacer: GT60

$38.03

Gasket Set: 50SX-H

$8.43

Carburetor Spacer: Sirius 7

$3.26 ~~Price reduced from $10.86 to~~

Clearance Sale! ⓘ

Intake Cam: Sirius 7

$21.11 ~~Price reduced from $70.37 to~~

Clearance Sale! ⓘ

Link Pin: Sirius 7

$3.54 ~~Price reduced from $11.80 to~~

Clearance Sale! ⓘ

Locknut: GT33

$17.16

Muffler Screws #871 (2)

$6.49

Needle Assembly: FT-120-300

$19.05

Needle 25 2SX: 61FX

$13.78

Main Needle Valve Assembly: 61ER

$22.30

Needle Valve Assembly: #61B, 91HZ

$22.30

O-Ring: GF30

$8.43

Piston Pin Retainer: BGX 3500

$7.46

Piston: GF30

$17.36 ~~Price reduced from $57.86 to~~

Clearance Sale! ⓘ

Piston Pin: 15LA CV LD

$8.49

Piston Pin: 25F FP

$9.85

Piston Pin: 40 46VFR

$9.85

Piston Ring: BGX-3500

$37.80

Screw Fixing 40x5mm WLA-2: GT55

$6.49

Tappet Adjusting Screw: 200 Surpass

$9.85

Throttle Lever #40D

$7.46