O.S. Engines

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

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Piston Pin Retainer: 61RX SX

$6.45

Rocker Cover: 120 Surpass

$14.73

Rocker Cover: GF30

$5.72 ~~Price reduced from $19.05 to~~

Clearance Sale! ⓘ

Rotor Stop Holder #2K 74

$2.24 ~~Price reduced from $7.46 to~~

Clearance Sale! ⓘ

Throttle Lever #2F #2FB

$7.49

Throttle Arm Assembly WLA-2: GT55

$7.46

Stator Assembly: 5020-490 .40

$27.90 ~~Price reduced from $92.99 to~~

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Head Gasket: 0.1, 0.15, R2101 Speed

$10.94

Metering Needle Assembly 18TM

$16.09

Piston Pin: 19XZ-B Speed

$8.61

Screw Set (8): 15CV-A

$9.44

Thermo Insulator 21J3

$19.14

Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition

$22.11

Carburetor Body: #21C

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

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Crankcase: R21

$136.57

Crankshaft: 12XZ Speed Spec II

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

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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~~

Clearance Sale! ⓘ

O.S. Pistion Pin: .12XZ

$8.99

Crankshaft: 21XZ-R

$144.99

Cylinder & Piston Assembly: 21TM

$122.17

Exhaust Gasket: 21RZ

$13.78

Head Gasket: 30VG

$7.46