O.S. Engines

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

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169-192 of 1,755 Results

Hex Head Screw 4x15mm (10)

$11.80

Valve Spring Seat: FS-95V

$6.49

Valve Assembly Intake: FS-120 Surpass

$44.10

Throttle Lever Nut #10ER

$6.45

105HZ-R DRS 1.05 Helicopter Engine

$722.99

Carburetor Reducer 6mm, Red: B2101 Speed

$21.10

R5 Glow Plug Cold On-Road

$18.99

T-1070SC L52 Pipe Set

$190.29

Cover Plate: T1201 Speed

$6.32 ~~Price reduced from $21.08 to~~

Clearance Sale! ⓘ

Cover Plate: 105HZ

$22.30

Outer Head: 12XZ Speed Spec 3

$92.99

Carburetor Reducer, 7.0mm: OS Speed B21 Pink Rhonda Drake Edition

$22.11

P5 Turbo Glow Very Hot Plug Off-Road

$18.99

Cover Plate: 50SX-H

$11.80

Inner Head: Speed 21XZ-GT

$52.69

Needle 21M: 21XZ-R

$13.78

Carburetor #10K: 15CV-A

$47.99

Intake Manifold Assembly A: IL-300 Dia Star

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

Clearance Sale! ⓘ

Rear Bearing: 61RX, SX-H

$30.44

Carburetor Body: #61B, 91HZ

$75.99

Carburetor Retainer: 55HZ Hyper

$11.70

Carburetor Rotor: #60Y, FS110A

$10.45 ~~Price reduced from $34.86 to~~

Clearance Sale! ⓘ

Cover Plate: 55HZ Hyper

$11.72

Exhaust Cam: Sirius 7

$70.37