O.S. Engines

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

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Gasket Set: FS-91-P

$10.94

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Piston Ring: FS72 Alpha

$8.85$29.49

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Needle Valve Assembly: 40G

$26.24

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Cylinder Liner: GT33

$23.48$78.25

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Crankcase: 30VG

$26.21$87.39

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Cylinder Head: 91SX-H Complete

$30.00$99.99

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Crankshaft: GT33

$37.64$125.47

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Main Shaft: 5020-490 .40

$10.99

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Crankshaft: 200 Surpass

$37.62$125.39

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Carburetor Rotor: 70R, FS155A-P

$13.30$44.34

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Cylinder & Piston: 12TR (P)-T

$75.99

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Metering Needle 12F2: 12XZ Speed Spec

$5.74$19.14

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Piston Ring: 160FX

$32.56

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Carburetor #70D: 120AX

$30.62$102.08

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Exhaust Pipe Nut: FS-120 III

$6.49

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Pushrod: FR5

$3.26$10.86

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Rotor Stop #3A #2A

$6.49

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Crankcase: 12XZ Spec II Speed

$21.00$69.99

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Prop Washer 10-12

$1.95$6.49

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Outer Head: Speed 21 V-Spec

$42.00$139.99

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M16 In-Cowl Exhaust Header Pipe Invrtd 80D: FS200S

$44.22

O.S. Engines

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O.S. Engines

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