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O.S. Engines

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

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Screw Set (10): 61RX SX

Screw Set (10): 61RX SX

$13.78

Screw Set (34): FT-120 (34)

Screw Set (34): FT-120 (34)

$25.44

Standoff 5x38.1mm 1-1/2" (4): GT55

Standoff 5x38.1mm 1-1/2" (4): GT55

$42.11

Thrust Washer: FT-120 160

Thrust Washer: FT-120 160

$6.49

Thrust Washer: BGX-3500

Thrust Washer: BGX-3500

$6.49

Valve In Ex: 90-320

Valve In Ex: 90-320

$36.85

Bearing R-1560X2ZZ

Bearing R-1560X2ZZ

$17.99

Prop Shaft: OMA-38 Series

Prop Shaft: OMA-38 Series

$27.99

Pump Fixing Screw Assembly: 91SZ-H Hyper

Pump Fixing Screw Assembly: 91SZ-H Hyper

$5.70

Carburetor Rotor 70T2: GF30 II

Carburetor Rotor 70T2: GF30 II

$63.12

Extension Adapter E-4011

Extension Adapter E-4011

$34.76

Muffler #892: 25SF

Muffler #892: 25SF

$29.49

Cam Gear: Sirius 7

Cam Gear: Sirius 7

$52.66

Carburetor Rotor: 56 FS

Carburetor Rotor: 56 FS

$29.60

Carburetor Washer: #60B

Carburetor Washer: #60B

$6.49

Connecting Rod: 37SZ-H

Connecting Rod: 37SZ-H

$22.04

Crankshaft: 20-25FP

Crankshaft: 20-25FP

$28.59

Cylinder Liner: 50SX-H

Cylinder Liner: 50SX-H

$37.47

Crankshaft: 55AX

Crankshaft: 55AX

$55.12

Cylinder Liner: FS-70 Surpass

Cylinder Liner: FS-70 Surpass

$35.48

Exhaust Joint Nut: FS-120 Surpass

Exhaust Joint Nut: FS-120 Surpass

$8.49

Gasket Carburetor: FS-91 Surpass

Gasket Carburetor: FS-91 Surpass

$6.49

Manifold Seal: FT-120-300

Manifold Seal: FT-120-300

$11.84

Mixture Control Screw: #2F and #2FB

Mixture Control Screw: #2F and #2FB

$9.44