O.S. Engines

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

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Carburetor Reducer 7mm, Red: Speed 21 V-Spec

$21.10

Carburetor Reducer 6mm: Speed 21 V-Spec II

$20.05

Carburetor 61C: 95AX

$97.80

Carburetor Rotor: 61E New 91HZ

$14.50 ~~Price reduced from $48.32 to~~

Clearance Sale! ⓘ

Choke Shaft: WLA-2, GT55

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

Clearance Sale! ⓘ

Choke Valve: 120-300

$31.52

Carburetor Screw: FS61-FT300

$6.49

Connecting Rod: 200 Surpass

$48.51

Carburetor Screw: FS-20

$6.49

Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4

$111.36

Spring Choke Friction: WLA-2, GT55

$5.99

Connecting Rod: 95AX

$29.60

Connecting Rod: 21VF/SE

$21.10

Piston Pin: 56 FS

$11.91

Exhaust Header Pipe M1021: 21TM

$48.55

18TM Revo Manifold

$52.77

Header Pipe Spring

$11.80

Intake Manifold Assembly A: IL-300 Dia Star

$11.05 ~~Price reduced from $36.85 to~~

Clearance Sale! ⓘ

Center Manifold: IL-300 Dia Star

$14.53 ~~Price reduced from $48.44 to~~

Clearance Sale! ⓘ

Crankshaft: 15LA

$23.22

T-2080 C-Ring

$9.19

Crankcase: 35AX

$48.51

O.S. Crankcase Speed: T1203

$79.99

Crankcase: 19XZ-B Speed

$47.31 ~~Price reduced from $157.70 to~~

Clearance Sale! ⓘ