O.S. Engines

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

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Dust Cap Set, 3mm (5) & Carburetor Nipple

$9.85

Gasket Head, .2mm: 105HZ

$7.46

Carburetor Body: 21JN

$79.99

Crankcase: 25LA Natural

$34.86

Crankshaft: Recoil 30VG

$66.04

Drive Washer: 12TR

$7.46

Mixture Control Screw: 120 Surpass

$2.10 ~~Price reduced from $6.49 to~~

Clearance Sale! ⓘ

Needle High Speed WLA-2: GT55

$15.99

Metering Needle Assembly: 21VZB (P) V-Spec 21C

$19.14

Carburetor Reed Valve Gasket: GT22

$10.94

Remote Needle Bracket: 160FX

$7.46

Cam Cover: FS155A-P

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

Clearance Sale! ⓘ

Cam Follower: 200 Surpass

$22.26

Carburetor Body: 40K, 46AXII

$48.41

Carburetor Rotor: 61H, GT15

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

Clearance Sale! ⓘ

Carburetor Rotor: 61HB

$26.24

Choke Shaft: WLA-2, GT55

$7.79 ~~Price reduced from $25.99 to~~

Clearance Sale! ⓘ

Connecting Rod: 140RX

$48.51

Connecting Rod: GT33

$67.42

Crankcase: 75AX

$35.93 ~~Price reduced from $119.78 to~~

Clearance Sale! ⓘ

Crankshaft: 50SX-H

$55.12

Cylinder Liner: FS-40

$25.94

Drive Washer: 91FX

$16.09

Fuel Inlet: #61B, 91HZ

$11.80