O.S. Engines

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

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501-524 of 1,605 Results

Exhaust Header Pipe Nut: 200 Surpass

$1.95 ~~Price reduced from $6.49 to~~

Clearance Sale! ⓘ

Muffler F6020; FS155A-P

$87.21

Needle Assembly #60R

$22.04

Piston Pin Retainer: GT15HZ

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

Clearance Sale! ⓘ

Rocker Arm: FS-70 Ultimate

$24.99

Rocker Arm Thrust Washer: Sirius 7

$1.95 ~~Price reduced from $6.49 to~~

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Rocker Cover: 200 Surpass

$22.04

Cylinder Head Screws (10): 120AX

$9.85

Rear Bearing: FS52

$22.04

Muffler #871: 10-15

$22.04

Rear Bearing: Sirius 7

$12.28 ~~Price reduced from $40.94 to~~

Clearance Sale! ⓘ

Cover Plate: 65LA

$10.99

Crankcase: 91SX-H Comp

$39.00 ~~Price reduced from $129.99 to~~

Clearance Sale! ⓘ

Crankshaft: 46AX

$50.72

Cylinder Head: 95AX

$48.41

Cylinder Head & Valve: FF-320

$135.66

Super Can Filter, Small

$11.80

Under Cover Gasket: IL-300 Dia-Star

$8.49

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