O.S. Engines

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

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309-332 of 1,605 Results

Screw Set: FS-48 Surpass

$10.90

Allen Head Screws M3.5x12 (10)

$9.85

Throttle Lever #2CK

$6.49

Intake Valve: 56 FS

$5.72 ~~Price reduced from $19.05 to~~

Clearance Sale! ⓘ

Prop Shaft: OMA-50 Series

$10.49 ~~Price reduced from $34.99 to~~

Clearance Sale! ⓘ

Cover Plate with BPS-1 Mount: 55HZ-R

$11.72

Cylinder Head: FS-120 Surpass III

$97.80

Cylinder Jacket: Sirius 7

$35.01 ~~Price reduced from $97.71 to~~

Clearance Sale! ⓘ

Carburetor Gasket: GT60

$10.94

Needle Ext Cable: FR5 300

$8.49

Pilot Shaft: GT55

$29.56

Piston: 91HZ

$91.99

Piston Pin: GF30

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

Clearance Sale! ⓘ

Piston Ring: GT15HZ

$29.60

Piston Ring: 108FSR

$29.60

Rocker Arm Assembly: FS-70 Ultimate

$26.99

Standoff 5x12.7mm 1/2" (4): GT55

$29.49

Complete Carburetor Assembly: (61T2) O.S. FS-64V

$153.99

Main Shaft: 3805-1200

$8.99

Propeller Shaft Set: 3815-1000

$9.29 ~~Price reduced from $30.99 to~~

Clearance Sale! ⓘ

Carburetor Rotor: 37SZ-H

$7.87 ~~Price reduced from $26.24 to~~

Clearance Sale! ⓘ

102 Super Air Cleaner

$21.10

Carburetor Body: 21J2(B), 21XZ-B Speed

$89.99

Drive Washer: 12CV

$6.49