O.S. Engines

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

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841-864 of 1,755 Results

Carburetor Dust Covers: #12FB, 12XZ Speed

$7.46

Piston Pin Retainer: RX RZ XM

$6.49

Connecting Rod: R2102, Speed 21XZ-GT

$52.58

Cylinder Head: 91SX-H Complete

$99.99

Carburetor Rotor: #61B, 91HZ

$13.19 ~~Price reduced from $43.99 to~~

Clearance Sale! ⓘ

Carburetor Rotor: 80T Sirius 7

$13.25 ~~Price reduced from $44.18 to~~

Clearance Sale! ⓘ

Connecting Rod: 70SZ-H

$29.49

Cover Plate: FS91-P

$21.10

Crankcase Plug: GT55

$17.16

Cylinder Head: GT15HZ

$108.03

Drive Washer: 25LA-S

$6.49

Head Gasket: FT-160

$6.45

Head Gasket: FR5

$11.72

Intake Pipe AS-R: FT-240

$22.16

Mixture Control Valve: 46AXII

$30.44

Needle Control Lever In Flight Needle Valve

$6.49

Piston: FS-91 Surpass FT-160

$44.22

Rotor Guide Screw #10A

$2.59 ~~Price reduced from $8.66 to~~

Clearance Sale! ⓘ

Hex Head Screw 5x55mm (10)

$13.78

Carburetor WT: GF40

$190.20

M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A

$36.85

Front Bearing: 21-61

$21.17

Carburetor Body: #60P, FS-91 Surpass II

$44.22

Carburetor Rotor: #75AX

$37.80