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: #21C

$24.00 ~~Price reduced from $79.99 to~~

Clearance Sale! ⓘ

Crankcase: R21

$136.57

Crankshaft: 12XZ Speed Spec II

$35.99 ~~Price reduced from $119.97 to~~

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Crankshaft: 28XZ

$131.09

Carburetor Reducer 8mm, Red: Speed 21 V-Spec

$21.10

RP8 Turbo Glow Plug, On-Road, Cold

$15.99

M1006SC Manifold

$21.48 ~~Price reduced from $71.60 to~~

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O.S. Pistion Pin: .12XZ

$8.99

Crankshaft: 21XZ-R

$144.99

Cylinder & Piston Assembly: 21TM

$122.17

Exhaust Gasket: 21RZ

$13.78

Mixture Control Valve #10A

$13.67

O.S. Metering Needle Assembly 22D Speed B2103

$19.14

Metering Needle Assembly: 30VG

$19.14

Carburetor 80T: Sirius 7

$52.52 ~~Price reduced from $125.08 to~~

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Locknut Set: FT, FR5

$41.12

E4050 In-Cowl Muffler: 65AX

$67.33

Camshaft Bearing: F 120-300

$22.37

Cam Cover: 56 FS

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

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Carburetor Body: 37SZ-H

$12.04 ~~Price reduced from $40.12 to~~

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Crankcase: GF30

$48.89 ~~Price reduced from $162.95 to~~

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Cylinder & Piston: 65AX

$138.26

Cylinder Head with Valve: FS-40 Surpass

$87.39

Cylinder Head: GT33

$57.78