O.S. Engines

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

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Mixture Control Screw #10M

$11.80

O.S. Metering Needle (21M) R21GT

$17.01

Carburetor Rotor: #2A

$11.72

Metering Needle Assembly 21M2(B) Speed: R2101

$5.74 ~~Price reduced from $19.14 to~~

Clearance Sale! ⓘ

Muffler Extension Adapter 12 20mm: 49PI

$27.29

Plug Cable Set: Sirius 7

$16.09

Cam Cover: FS-95V

$11.95

Connecting Rod: FL-70

$21.10

Connecting Rod: GF30

$57.86

Rear Cover: Sirius 7

$173.36

Thermo Insulator: GT15HZ

$10.94

Ignition Module IG-06: GT15

$97.70

Intake Manifold: FS-120II

$29.49

Nozzle Screw: FS-40

$6.49

Pilot Shaft: GT60

$5.97 ~~Price reduced from $19.90 to~~

Clearance Sale! ⓘ

Piston Ring: 46SF H

$26.24

Throttle Lever #2CBD #2H

$6.49

Valve: FS-95V

$25.44

Cir Clip In-Flight Needle Valve

$6.49

Connecting Rod: 35AX

$6.61 ~~Price reduced from $22.04 to~~

Clearance Sale! ⓘ

Crankshaft: 91HZ

$91.51

Cylinder Head: 25FX

$16.09

Drive Washer: FF-240, 320

$38.84

Exhaust Valve: GF40

$44.10