O.S. Engines

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

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Cylinder Head Gasket: 25AX

$6.49

Exhaust Gasket: GT33

$7.46

Gasket Carburetor: GF40

$11.91

Idle Adj Valve STP #6H7L8H

$6.49

Clearance Sale!

Intake Cam: Sirius 7

$21.11$70.37

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Intake Manifold Set: Sirius 7

$8.84$29.48

Clearance Sale!

Intake Manifold Assembly: FS-91 Surpass II

$29.49

Gear Holder Screw: 30 Wankel Rotary

$8.43

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Pushrod Cover: 56FS-a

$2.53$8.43

Clearance Sale!

Intake Manifold: FS155A-P

$38.03

Intake Pipe AS-R: FT-120 160

$22.30

Intake Pipe Left: FT-120 240

$21.10

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Link Pin: Sirius 7

$3.54$11.80

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Lock Cone: 40P/60GP

$26.24

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Mixture Control Valve: 12F2

$5.15$17.16

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Pushrod Cover Set: Sirius 7

$8.87$29.55

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Silencer Assembly Screw: 56 FS

$8.43

Clearance Sale!

Muffler Assembly Screw: 65AX

$2.55$8.49

Clearance Sale!

Muffler Extension Screws 120AX (2)

$6.49

Drive Pin: FL-70

$6.49

Needle Assembly: FT-120-300

$19.05

Spring Needle Adjust WLA-2: GT55

$10.99

O.S. Metering Needle (21M) R21GT

$17.01

Piston Pin Retainer: 81VR-M

$6.49

O.S. Engines

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O.S. Engines

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