O.S. Engines

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

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769-792 of 1,605 Results

Motor Mount: 25FX, 32SX, 35AX

$25.29

Mid Bearing: 120-240

$32.99

Carburetor Body: #20H

$19.14

Carburetor Body: #120AX

$14.55 ~~Price reduced from $48.51 to~~

Clearance Sale! ⓘ

Carburetor Insert: #9B

$7.99

Carburetor Rotor: 40L, 55HZ Hyper

$11.97 ~~Price reduced from $39.91 to~~

Clearance Sale! ⓘ

Choke Valve: 120-300

$31.52

Connecting Rod: 35-40FP, 40 LA

$21.10

Crankshaft: 15LA

$23.22

Cylinder Head: 65AX

$44.22

Cylinder Head: FT-160

$87.19

Cylinder Head: FF-320

$76.85

Cylinder Head & Valve: FT-300

$190.99

Cylinder Liner: 95AX

$88.92

Cylinder Liner: FS-62V

$35.47

Carburetor Gasket: 200 Surpass

$7.46

Gear Holder Screw: 30 Wankel Rotary

$8.43

Intake Manifold Set: Sirius 7

$8.84 ~~Price reduced from $29.48 to~~

Clearance Sale! ⓘ

Intake Manifold: FS-62V

$5.74 ~~Price reduced from $19.14 to~~

Clearance Sale! ⓘ

Needle Holder #7H #7M #7L

$11.80

O-Ring PRC: 120Surpass

$6.49

Piston Pin Retainer: GT33

$7.46

Piston Pin Retainer: 81VR-M

$6.49

Piston: GT22

$63.22