O.S. Engines

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

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Pulse Spacer: GGT10

$17.11

Under Cover Gasket: IL-300 Dia-Star

$8.49

Head Gasket: FF-320

$4.20 ~~Price reduced from $6.49 to~~

Clearance Sale! ⓘ

Intake Pipe Holder Assembly: FR5-300

$15.99

Muffler Body F-5050: FS-95V

$52.73

Muffler E-5040: GT22

$91.51

Piston: GT33

$68.27

Piston Ring: 40SF

$26.24

Prop Nut Safety: FT-120 II FT-160

$36.85

Rocker Arm Assembly FS-20

$22.04

Rotor Stop #4B #4D #4C

$9.85

Screw Set 21-32 (10)

$9.85

Valve: FS-40 48Surpass

$21.10

Bearing R-1240ZZ

$16.99

Prop Shaft Set: OMA-28 Series

$6.29 ~~Price reduced from $20.99 to~~

Clearance Sale! ⓘ

Long Socket Wrench With Plug Grip

$19.16

Dust Cover: 30VG

$11.91

Needle Valve Assembly #11H #11HB

$27.29

Slide Valve 12D: 18TM

$9.77 ~~Price reduced from $32.56 to~~

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Throttle Lever #2B #2CB

$6.49

Crankcase: O.S. Max .12 TG Version 4

$54.76

Carburetor 21J3-1: 21XR-B Version II

$162.87

Carburetor Reducer AL2 5.5mm, Red: Speed T1202

$21.10

Crankshaft: O.S.SPEED R21GT2

$249.99