O.S. Engines

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

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769-792 of 1,605 Results

Prop Washer 10-12

$1.95 ~~Price reduced from $6.49 to~~

Clearance Sale! ⓘ

Needle Assembly Screw: 65LA

$1.95 ~~Price reduced from $6.49 to~~

Clearance Sale! ⓘ

Main Shaft Stopper SET: OMA-50

$7.99

Cover Plate: 15CV-A

$10.99

Cover Plate: FS-200S-P

$25.44

Crankcase Heat Sink: 91HZ

$29.60

Crankcase: 35AX

$48.51

Cylinder Head: GF40

$48.90 ~~Price reduced from $163.01 to~~

Clearance Sale! ⓘ

Drive Washer: GT55

$52.69

Front Plate: Sirius 7

$140.04 ~~Price reduced from $346.53 to~~

Clearance Sale! ⓘ

Cylinder Head Gasket, .2mm: 91HZ

$7.46

Mixture Control Valve 80T: Sirius 7

$6.33 ~~Price reduced from $21.12 to~~

Clearance Sale! ⓘ

Needle Assembly 80T: Sirius 7

$11.80

Muffler Screws L (2): 120AX

$6.49

O-Ring Small: 120Surpass

$6.49

Pushrod Cover: FT-120-240

$4.58 ~~Price reduced from $9.44 to~~

Clearance Sale! ⓘ

Piston Pin Retainer P: 40-46

$6.49

Piston Pin: FS-91 Surpass

$10.86

Piston Ring: GT22

$25.44

Reed Valve Assembly: GT33

$26.99

Camshaft Cover

$11.80

Sensor Fixing Screw: GT33

$7.46

Screw Set (8): 15LA

$8.46

Valve Throttle WLA-2: GT55

$15.76