O.S. Engines

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

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#6 A3 Glow Plug Hot Air

$11.99

Radial Mount: 72FS-a

$44.34

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

Cylinder Head: GT15HZ

$32.41 ~~Price reduced from $108.03 to~~

Clearance Sale! ⓘ

Cylinder Liner: 50SX-H

$58.90

Cylinder Liner: FT-300

$59.99

Drive Washer: 25LA-S

$6.49

Head Gasket: FT-160

$6.45

Mixture Control Valve: 46AXII

$30.44

Silencer E-4010A: 65AX

$52.62

Piston: FS-91 Surpass FT-160

$44.22

Needle Control Lever In Flight Needle Valve

$6.49

Piston Pin: 50SX-H

$11.72

Prop Washer: 40LA

$6.49

Rotor Guide Screw #10A

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

Clearance Sale! ⓘ

Valve Exhaust: FS-120 Surpass

$37.80

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

$36.85

Muffler: E-2030, 20-25FP

$26.24

Front Bearing: 21-61

$21.17

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

$44.22

Carburetor Body: #60R

$41.99