O.S. Engines

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

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165-188 of 1,605 Results

Prop Nut 1/4 20-61

$6.49

80 Degree Exhaust Header: 155FS-a

$48.43

Starting Shaft: 18TM

$17.01

Spinner Nut: 60-91

$15.78

Muffler Extension: #842

$11.72

Dust Cover: 18TM

$9.85

Standoff 5x44.5mm 1-3/4" (4): GT55

$44.10

Motor Mount: 25FX, 32SX, 35AX

$25.29

High Pressure Check Valve: 91HZ-R

$21.10

Motor Mount: 140RX, FS120, 120AX, FS200S

$77.99

Connecting Rod: 56 FS

$22.04

Woodruff Key: 61-91

$6.45

Cylinder Liner: 56 FS

$9.03 ~~Price reduced from $30.10 to~~

Clearance Sale! ⓘ

Standoff 5x50.8mm 2" (4): GT55

$48.51

E3071 Muffler

$34.82

Rocker Cover, Black: FSa-56II

$5.76 ~~Price reduced from $19.22 to~~

Clearance Sale! ⓘ

#5 Recoil Starter Body

$26.24

#8 Glow Plug Long Medium Air Car

$11.99

Cam Cover: 56 FS

$3.57 ~~Price reduced from $11.91 to~~

Clearance Sale! ⓘ

Carburetor Body: 37SZ-H

$12.04 ~~Price reduced from $40.12 to~~

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Camshaft Bearing: F 120-300

$22.37

Crankcase: GF30

$48.89 ~~Price reduced from $162.95 to~~

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Cylinder & Piston: 65AX

$138.26

Exhaust Pipe Nut: F40-300

$6.49