O.S. Engines

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

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Carburetor Body: FS-52

$29.49

Carburetor Rotor: 61ER

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

Clearance Sale! ⓘ

Carburetor Rotor: #60W, FL70

$15.99

Carburetor Rotor: 70T, GF30

$18.94 ~~Price reduced from $63.12 to~~

Clearance Sale! ⓘ

Connecting Rod: FS81 Alpha

$27.29

Connecting Rod with Retainers: Speed T1201

$44.17

Connecting Rod: GGT10

$48.47

Carburetor: #11KR Slide, 21TM-R Revo

$92.46

Crankcase: 46AXII

$52.73

Crankcase: 55AX

$67.24

Crankshaft: 15CV-A

$30.89

Cylinder Head: 55AX

$34.86

Cylinder Head: FS-120 Surpass III

$97.80

Cylinder Liner: 200 Surpass

$17.70 ~~Price reduced from $59.03 to~~

Clearance Sale! ⓘ

O.S. Dust Cover 21E 21F 22D 22J

$11.91

Gasket Set: 12TG

$10.94

Rocker Cover Gasket: GF40

$10.94

Muffler Screws 10FP FSR (2)

$6.49

Needle Ext Cable: FR5 300

$8.49

Prop Washer: 20-40

$6.49

Pushrod: FT-160

$9.44

Rocker Arm Assembly: FS-70 Ultimate

$26.99

Sensor Fixing Screw: GT33

$7.46

Rocker Arm: FS-40-48S

$25.44