O.S. Engines

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

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409-432 of 1,755 Results

Carburetor Reducer 8.5mm, Purple: 21M

$21.10

Rear Bearing: 12

$6.35 ~~Price reduced from $21.17 to~~

Clearance Sale! ⓘ

Crankcase: 19XZ-B Speed

$47.31 ~~Price reduced from $157.70 to~~

Clearance Sale! ⓘ

Inner Head: T1201 Speed

$37.99

O.S. Outer Head Speed: T1203

$89.99

Pan Head Screw +3.0X12 (10)

$9.53

Carburetor Assemblyy Screw WLA-2: GT55

$5.99

Front Bearing: 90-300

$22.16

Camshaft: FS72 Alpha

$54.63

Connecting Rod: FS-120 SP

$40.12

Connecting Rod Bearing: GGT10

$7.63 ~~Price reduced from $25.44 to~~

Clearance Sale! ⓘ

Back Plate: Sirius 7

$466.21

Crankcase: 65AX

$114.52

Piston: 37SZ-H

$32.56

Collector Ring: FR7 Sirius 7

$346.62

Exhaust Valve Assembly: FS-70 Ultimate

$40.12

Case Gasket: GT60

$7.46

Pan Head Screw 3x18mm (10)

$11.91

Reduction Gear Bearing: FR5

$8.90 ~~Price reduced from $29.68 to~~

Clearance Sale! ⓘ

Vavle Exhaust: FS-91 Surpass

$34.86

Air Funnel: 56FS

$17.08

Carburetor #20M: 37SZ-H

$87.21

Cam Cover Screws: FS-70 Ultimate (2)

$7.46

Carburetor Retaining Screws: 2.6x18mm (10)

$9.85