O.S. Engines

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

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621-644 of 1,605 Results

Carburetor Rotor: #75AX

$11.34 ~~Price reduced from $37.80 to~~

Clearance Sale! ⓘ

Drive Washer: 65AX

$13.78

Cylinder Head: GGT10

$8.87 ~~Price reduced from $29.55 to~~

Clearance Sale! ⓘ

Cylinder Liner: FR5

$15.79 ~~Price reduced from $45.22 to~~

Clearance Sale! ⓘ

Pushrod Cover Assembly: FT-120-240

$21.10

Piston Pin: GT55

$6.30 ~~Price reduced from $19.14 to~~

Clearance Sale! ⓘ

Piston Ring: FS-61

$26.24

Piston Ring: 60-61

$26.24

Rear Housing: FT-160

$97.81

Rotor Guide Screw: F90-300

$6.49

Hex Head Screw 4x15mm (10)

$11.80

Valve Spring Seat: FS-95V

$6.49

Bearing Set: OMA-2820-950

$30.99

Cylinder Liner 91HZ-R Speed 3D

$121.99

Slide Valve 2 (21M)

$32.99

Piston/Sleeve/Rod set: O.S. SPEED R2106

$279.99

Heatsink Head 55HZ.HZ-R

$138.99

Pump Unit PD-08: FS-200S-P

$87.29

Nipple: GGT10

$7.57 ~~Price reduced from $25.25 to~~

Clearance Sale! ⓘ

Camshaft Bearing: F 40-120

$17.16

Carburetor Body: #10H

$13.99

Carburetor Body: 40L, 55HZ Hyper

$23.00 ~~Price reduced from $76.68 to~~

Clearance Sale! ⓘ

Connecting Rod: 21VF/SE

$21.10

Connecting Rod with Bearings: GT60

$97.90