O.S. Engines

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

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117-140 of 1,605 Results

Cover Plate: FS72 Alpha

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

Clearance Sale! ⓘ

Cylinder Head: 91HZ-PS

$89.99

Piston: FS-120

$51.47

Main Shaft: 3815-1000

$8.99

Piston Pin: 60-61FSR SX

$9.85

Rocker Cover: Sirius 7

$14.77

Carburetor Rotor: 61ER

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

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Metering Needle #11H #11HB

$4.83 ~~Price reduced from $16.09 to~~

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Screw Fixing 4x40mm WLA-2 (1): GT55

$6.49

Throttle Link WLA-2: GT55

$10.99

Vavle Exhaust: FS-91 Surpass

$34.86

Drive Washer: FS72 Alpha

$19.05

Rotor Gear Screw: 30Wankel

$4.15 ~~Price reduced from $13.83 to~~

Clearance Sale! ⓘ

Valve Collet: FS-120 Surpass

$10.86

Metering Needle Assembly Speed 12TZ

$5.74 ~~Price reduced from $19.14 to~~

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Standoff 5x38.1mm 1-1/2" (4): GT55

$42.11

Speed P3 Gold Ultra Hot Plug

$16.99

Woodruff Key: 61S RFH

$7.46

Motor Mount: 46, 55AX

$34.86

O.S. Outer Head Speed B2103 Type R

$30.74 ~~Price reduced from $102.47 to~~

Clearance Sale! ⓘ

Throttle Lever: 120Surpass

$6.49

Ball Link No.5 18TM

$16.09

#10 A5 Glow Plug Cold Air

$13.99

Carburetor: FT160, FF320

$102.95