O.S. Engines

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

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O-Ring Silencer #E3080: 35AX

$3.28 ~~Price reduced from $10.94 to~~

Clearance Sale! ⓘ

Piston: 95AX

$48.41

Piston: 61-300

$38.84

Piston Pin with Pads: FS30S

$9.85

Piston Ring: FS155A-P

$38.03

Piston Ring: GT60

$30.44

Rocker Cover,, Black: FSa-72II

$7.65 ~~Price reduced from $25.51 to~~

Clearance Sale! ⓘ

Cap Screw 4x20mm (10): GT55

$11.80

Thermo Insulator: GF30

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

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Thrust Washer: 20-40FP

$7.99

Valve Exhaust: FS-52 Surpass

$19.14

Valve Collet: FS-91 Surpass

$10.86

Parallel Key: GT55

$7.46

Security Ring: OMA-2820-950

$5.99

Pump Unit (PD-09): GF30 II

$109.26

Carburetor #20C: 32SX-H HX

$71.61

PowerBoost Pipe: 105HZ

$293.00

Exhaust Header Assembly: 56 FS

$4.13 ~~Price reduced from $13.78 to~~

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Front Bearing: 61FX

$22.16

Crankshaft Bearing, Front: FS-91

$26.34

Cam Follower: Sirius 7

$6.33 ~~Price reduced from $21.12 to~~

Clearance Sale! ⓘ

Camshaft: FS-91 Surpass

$60.57

Carburetor Rotor: #40D

$11.80

Carburetor Rotor: 91SZ-H Hyper

$11.99 ~~Price reduced from $39.99 to~~

Clearance Sale! ⓘ