O.S. Engines

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

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457-480 of 1,605 Results

Cylinder & Piston: 15LA

$33.18

Cylinder Head & Valve: FT-160

$135.63

Gasket Set: 160FX

$10.94

Gasket Passage: WLA-2, GT55

$11.99

Cover Gasket: S42, GT22

$7.46

Carburetor Gasket Set: WLA-2 (3)

$5.15 ~~Price reduced from $17.16 to~~

Clearance Sale! ⓘ

Thermo Insulator: GT15HZ

$10.94

Ignition Module IG-06: GT15

$97.70

Needle #40D

$9.85

Nozzle Screw: FS-40

$6.49

Silencer O-Ring E3070: 46AX 55AX

$7.46

Piston: 105HZ

$92.46

Piston Ring: 46SF H

$26.24

Pushrod: FS-91 Surpass

$9.44

Rotor Guide Washer: 40L, 55HZ Hyper

$3.28 ~~Price reduced from $10.94 to~~

Clearance Sale! ⓘ

Valve: FS-95V

$25.44

F-4051 Silencer: O.S. FS-64V

$57.99

Cylinder Brass Head Gasket: 75AX

$6.49

Cir Clip In-Flight Needle Valve

$6.49

Connecting Rod: 50SX-H

$25.44

Connecting Rod: FS155A-P

$14.52 ~~Price reduced from $48.43 to~~

Clearance Sale! ⓘ

Connecting Rod: FS72 Alpha

$26.24

Crankshaft: 91HZ

$91.51

Crankshaft: 240-300

$284.01