O.S. Engines

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

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Bearing R-1560X2ZZ

$17.99

Prop Shaft: OMA-38 Series

$27.99

Pump Fixing Screw Assembly: 91SZ-H Hyper

$5.70

Carburetor Rotor 70T2: GF30 II

$63.12

Clearance Sale!

Cam Gear: Sirius 7

$19.29$52.66

Clearance Sale!

Carburetor Rotor: 56 FS

$8.88$29.60

Clearance Sale!

Connecting Rod: 37SZ-H

$22.04

Crankshaft: 20-25FP

$28.59

Crankshaft: 55AX

$55.12

Cylinder Liner: FS-70 Surpass

$35.48

Exhaust Joint Nut: FS-120 Surpass

$8.49

Manifold Seal: FT-120-300

$11.84

Manifold Nut M9

$6.49

Clearance Sale!

Needle Holder FT-120-300

$3.54$11.80

Clearance Sale!

Needle Valve Assembly: #60B

$22.30

Mid Needle Valve Assebly: 61ER, 941HZ-R

$22.30

O-Ring: 21TM

$9.74

Piston: FS-40 Surpass

$25.29

Rear Housing: GT60

$87.18

Rocker Cover: 120 Surpass

$14.73

Clearance Sale!

Rocker Cover: GF30

$5.72$19.05

Clearance Sale!

Rotor Stop Holder #2K 74

$2.24$7.46

Clearance Sale!

Cap Screw 5x25mm (10): GT55

$13.78

Standoff 5x50.8mm 2" (4): GT55

$48.51

O.S. Engines

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O.S. Engines

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