O.S. Engines

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

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333-356 of 1,605 Results

Head Gasket Set: 12TZ Spec II

$7.46

O-Ring Metal Valve: 120Surpass

$6.49

7.0mm Carb Reducer (Red): AL2 O.S.SPEED R21GT2

$21.99

Carburetor Body: 22C(B), Speed B2102

$26.16 ~~Price reduced from $87.19 to~~

Clearance Sale! ⓘ

O.S. Carburetor Body 22D (B) Speed B2103 Type S

$87.19

Carburetor Rotor: #2A

$3.50 ~~Price reduced from $11.72 to~~

Clearance Sale! ⓘ

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

$92.46

O.S. Crankcase OS Speed R21GT

$185.04

Outer Head: T1202 Speed

$30.74 ~~Price reduced from $102.46 to~~

Clearance Sale! ⓘ

Rear Adapter: 15CV-X

$16.09

Screw Set (10): 21VZ-R VZB

$9.85

Carb Reducer 5.8MM Natural TYII

$20.05

Muffler Extension Adapter 12 20mm: 49PI

$27.29

WLA-2 Screw: 96-603, GT15HZ

$6.49

Connecting Rod: GF30

$17.36 ~~Price reduced from $57.86 to~~

Clearance Sale! ⓘ

Rear Cover: Sirius 7

$87.53 ~~Price reduced from $173.36 to~~

Clearance Sale! ⓘ

Cylinder & Piston: 15LA

$33.18

Gasket Set: 160FX

$10.94

Gasket Passage: WLA-2, GT55

$11.99

Carburetor Gasket Set: WLA-2 (3)

$5.15 ~~Price reduced from $17.16 to~~

Clearance Sale! ⓘ

Ignition Module IG-06: GT15

$97.70

Needle #40D

$9.85

Silencer O-Ring E3070: 46AX 55AX

$7.46

Piston: 105HZ

$92.46