Tuning Kit 3 includes the following:

GX200 3.303" Billet Conrod & Replaceable Shells,
Honda GX200 Flat Top Piston,
1.0mm File To Fit Piston Rings,
.275" High Lift Camshaft,
Billet 3.5Lb Lightweight Flywheel - Built in 32* Timing (8* Advanced over stock GX200 flywheel)
14cc Milled, Ported & Polished High Compression Cylinder Head,
Valve Train Kit 1 (24mm&25mm SS Valves, 26Lb Valve Springs, Aluminium Retainer & Split Keeper Set, HP Lashcaps, 1.1:1 Reinforced Rocker Arms, CM Pushrods, Billet Guide Plate),
22mm Mikuni Carburetor Kit (22mm Mikuni Carburetor, Straight Aluminium Manifold, 90* Curved Rubber Hose, High Flow Airfilter & Clamps)
CNC Machined Aluminium Top Plate & Walbro Fuel Pump,
Rocker Cover With Fitter Pulse Fitting,
RLV Superbox Exhaust.

On our dyno:
Approx 16Hp (GX160)
Approx 18Hp (GX200)

A tested and proven reliable setup.