O.S. Engines

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

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865-888 of 1,605 Results

Connecting Rod: FS-120 SP

$40.12

Connecting Rod Bearing: GGT10

$7.63 ~~Price reduced from $25.44 to~~

Clearance Sale! ⓘ

Back Plate: Sirius 7

$192.56 ~~Price reduced from $466.21 to~~

Clearance Sale! ⓘ

Crankcase: GT15

$37.51 ~~Price reduced from $125.03 to~~

Clearance Sale! ⓘ

Crankpin Stop Screw: GT60

$11.80

Cylinder & Piston: 25FX

$40.73

Piston: 37SZ-H

$32.56

Cylinder Head: FS-91-P

$81.94

Cylinder Liner: GT55

$44.33 ~~Price reduced from $118.99 to~~

Clearance Sale! ⓘ

Collector Ring: FR7 Sirius 7

$346.62

Exhaust Valve Assembly: FS-70 Ultimate

$40.12

Gasket Set: FS-120 II

$10.94

Case Gasket: GT60

$7.46

Cover Gasket: FS-70 Ultimate

$11.91

Silencer Body: 200 Surpass

$87.21

Pan Head Screw 3x18mm (10)

$3.57 ~~Price reduced from $11.91 to~~

Clearance Sale! ⓘ

Pushrod Cover: FS-26 Surpass

$8.49

Piston Ring: 55HZ

$26.24

Piston Ring: FS-91 FT-160

$26.24

Throttle Link WLA-2: GT55

$10.99

Vavle Exhaust: FS-91 Surpass

$34.86

Stator Assembly: 3820-1200 .25

$13.79 ~~Price reduced from $45.99 to~~

Clearance Sale! ⓘ

Air Funnel: 56FS

$5.28 ~~Price reduced from $17.08 to~~

Clearance Sale! ⓘ

Carburetor 61D: 65AX

$97.71