O.S. Engines

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

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721-744 of 1,605 Results

Cylinder Liner: FR5

$15.79 ~~Price reduced from $45.22 to~~

Clearance Sale! ⓘ

Collector Exhaust Pipe: IL-300 Dia Star

$411.70

Pushrod Cover Assembly: FT-120-240

$21.10

Piston Pin: GT55

$6.30 ~~Price reduced from $19.14 to~~

Clearance Sale! ⓘ

Piston Ring: FS-61

$26.24

Piston Ring: 60-61

$26.24

Rear Housing: FT-160

$97.81

Rotor Guide Screw: F90-300

$6.49

Hex Head Screw 4x15mm (10)

$11.80

Valve Spring Seat: FS-95V

$6.49

Valve Spring Seat: 56 FS

$6.45

Valve Assembly Intake: FS-120 Surpass

$44.10

Bearing Set: OMA-2820-950

$30.99

Needle Valve Holder 61ER

$11.80

Metering Needle 21M

$19.14

Screw Set (8): 30VG

$9.85

Speed Exhaust Seal Ring (10): B21

$38.86

Throttle Lever Nut #10ER

$6.45

105HZ-R DRS 1.05 Helicopter Engine

$722.99

Carburetor Reducer 6mm, Red: B2101 Speed

$21.10

Cover Plate Assembly: GGT10

$16.39 ~~Price reduced from $54.63 to~~

Clearance Sale! ⓘ

Cylinder Liner: 37SZ-H

$38.67

Cylinder Liner: FS155A-P

$58.85

Fuel Inlet Nipple: 12-240

$6.49