OS Engines

Cover Fitting Screw (4) FL-70

Intake Manifold Assembly: FT-120 and FT-160

Cylinder Head: FS-91-P

Rotor Spring #4B #4D #4C

55HZ-R DRS Ringed .55 Helicopter Engine

Piston Pin: FS-120

Piston: FS-95V

Cylinder Head & Valve: FF-320

Pushrod Cover Assembly: 200 Surpass

Crankshaft: B2101 Speed

Cap Screw 3x28mm (10)

M10 In-Cowl Exhaust Header Pipe Side 60D: FS56A

LC4 T-Maxx Revo Plug Medium

Piston Pin: 25F FP

Pushrod: FS-91 Surpass

Crankshaft: GGT10

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

Crankcase: B2101 Speed

55HZ-H Hyper Ringed .55 Helicopter Engine

Crankshaft: 25XZ

Head Gasket: 30VG

Cylinder & Piston Assembly: 12XZ

Cylinder & Piston Assembly: 21XM V2 Outboard Marine

18TM Revo Manifold