O.S. Engines

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

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Carburetor Complete #61N: FS72 Alpha

$102.96

Muffler #871: 10-15

$22.04

Rear Bearing: FS52

$22.04

Rear Bearing: Sirius 7

$12.28 ~~Price reduced from $40.94 to~~

Clearance Sale! ⓘ

Carburetor Gasket: 70T, GF30

$7.46

Carburetor Rotor: #120AX

$37.80

Cover Plate: 65LA

$10.99

Cover Plate: FS-120E

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

Clearance Sale! ⓘ

Crankcase: 91SX-H Comp

$39.00 ~~Price reduced from $129.99 to~~

Clearance Sale! ⓘ

Crankcase: FS-62V

$63.22

Crankcase: 200 Surpass

$190.28

Crankshaft: 46AX

$50.72

Piston: 56 FS

$29.49

Cylinder Head: 95AX

$48.41

Cylinder Head with Valves: FS120SE

$185.03

Cylinder Head & Valve: FF-320

$135.66

Cylinder Head: GT22

$52.73

Drive Washer: FS-95V8

$10.94

Cylinder Liner: 91SZ-H

$99.65

Super Can Filter, Small

$11.80

Pulse Spacer: GGT10

$17.11

Under Cover Gasket: IL-300 Dia-Star

$8.49

Head Gasket: FF-320

$4.20 ~~Price reduced from $6.49 to~~

Clearance Sale! ⓘ

Intake Pipe Holder Assembly: FR5-300

$15.99