O.S. Engines

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

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Air Funnel #60RA: FS81 Alpha

$5.74$19.14

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Crankshaft: R2101 Speed

$59.79$199.31

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Outer Cylinder Head: R2103 Speed

$30.71$102.35

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Crankshaft Ball Bearing, Rear: Speed 21 V-Spec

$35.93$119.78

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Cylinder & Piston: T2101 Speed

$41.44$138.14

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

$44.22

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Venturi #61N: FS72A

$5.74$19.14

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Rocker Arm Support Assembly FS91-240

$8.87$29.55

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Piston Pin; FS-62V

$3.57$11.91

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Exhaust Pipe Nut: FS-120 III

$6.49

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Cylinder Rebuild Kit: 21XZ-GT Speed

$66.47$221.55

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Crankshaft: 21XR-B Version II

$18.83$62.78

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Head Gasket: 28XZ

$2.24$7.46

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Intake Manifold: FT-120 160

$13.27$44.22

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Cylinder Liner: 70SZ-H

$29.90$99.65

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Outer Head: Speed 21 V-Spec

$42.00$139.99

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Needle Valve Assembly #12FB: 12XZ Speed

$8.19$27.29

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Crankcase: 21XR-B Version II

$21.46$71.54

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Crankshaft: T1201 Speed

$39.27$130.92

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T-2080 Manifold Assembly

$18.59$61.99

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Intake Manifold: FS-62V

$5.74$19.14

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O.S. Engines

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O.S. Engines

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