O.S. Engines

O-Ring 10.5mm: GT55

Pushrod Cover Assembly: 120Surpass

Piston: 50SX-H

Prop Nut 1/4 20-61

Rocker Arm Assembly: 200 Surpass

Screw Set (10): 46AX 55AX

Throttle Arm Assembly: 40L, 55HZ Hyper

Stator Assembly: 5025-375 .50

Motor Mount: FS91SII, FS110 Pump

Rear Bearing: 61-300

Carburetor Screw: FS61-FT300

Connecting Rod: FT-120, 160

Speed P3 Gold Ultra Hot Plug

Crankshaft: 91HZ-R Speed 3D 3C

Cylinder & Piston: B21 Speed Adam Drake

Heat Sink Head: 21TM

Gasket Set: 25XZ

Needle Valve Assembly 12F2-B: Speed T1202

Rotor Stop Screw #2FB #2F

Slide Valve 22C(B): Speed B2102

Outer Head O.S. Speed R2106

Piston/Sleeve Set: OS MAX-21 V2

Motor Mount: 15LA

Powerboost Pipe: III 50, 55HZ-H