O.S. Engines

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

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817-840 of 1,605 Results

Head Gasket: GT33

$14.84

Intake Manifold Assembly: FT-240/300

$54.99

Locknut Set 3/8M5S

$26.24

Silencer F-5030: FS81 Alpha

$57.78

90 Degree Muffler Extension: 120AX

$34.86

Muffler Screws 10FP FSR (2)

$6.49

Back Plate Gasket O-Ring: FL70

$6.49

Pushrod Cover: FS-40 Surpass

$6.99

PCV Valve Set: GF40

$4.45 ~~Price reduced from $14.84 to~~

Clearance Sale! ⓘ

Screw Set (8): 37SZ-H

$2.96 ~~Price reduced from $9.85 to~~

Clearance Sale! ⓘ

Screw Set (12): FS-120 Surpass

$17.08

Bearing R-1350ZZ

$14.99

Crankshaft Clamp: GT15, 105, 91 Heli

$25.44

M10 In-Cowl Exhaust Header Pipe Inverted 80D: FS56A

$36.85

Booster Cable: Single

$21.04

Carburetor Rotor: 61ER

$13.79 ~~Price reduced from $45.99 to~~

Clearance Sale! ⓘ

Spring Choke Friction: WLA-2, GT55

$5.99

Carburetor Rotor: 61E New 91HZ

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

Clearance Sale! ⓘ

Cover Plate: 160FX

$19.14

Ball Link #3 20K: 21VZ-R

$5.15 ~~Price reduced from $17.16 to~~

Clearance Sale! ⓘ

O.S. Ball Link #6 22D Carb Speed B2103 Type S

$17.16

Carb Reducer 7.5mm, Blue

$20.99

18TM Revo Manifold

$52.77

RP6 Turbo Glow Plug Medium On-Road

$14.99