O.S. Engines

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

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Needle Valve Assembly: #61B, 91HZ

$22.30

Main Needle Valve Assembly: 61ER

$22.30

O-Ring: GF30

$8.43

Piston: GF30

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

Clearance Sale! ⓘ

Piston Pin Retainer: BGX 3500

$7.46

Piston Pin: 25F FP

$9.85

Piston Pin: 15LA CV LD

$8.49

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

Main Shaft: OMA-2820-950

$6.99

Cover Plate: GF30

$9.77 ~~Price reduced from $32.56 to~~

Clearance Sale! ⓘ

Cover Plate: FS-120 III

$6.33 ~~Price reduced from $21.10 to~~

Clearance Sale! ⓘ

Crankshaft: GT15HZ

$102.35

Crankshaft Spacer: Sirius 7

$11.75

Cylinder Block: GT60

$233.99

Cylinder & Piston Assembly: 55AX

$104.95

Cylinder Head: 91HZ-PS

$89.99

Cylinder Liner: F91, 160, 320

$45.01

Drive Hub: 200 Surpass

$29.60

Gasket Intake Manifold: GF40

$10.94

Gasket Carburetor: 61-108

$6.49