This is a brand new race ported Zenoah 27.2cc big bore kit with 2mm stuffed crank. This kit comes with everything need to turn your motor into a beast. To start the cylinder is machined for the 2mm stroker and for a proper squish clearance with out stacking gaskets. This allows the motor to rev higher and still have a massive amount of torque. All of the port work is done by hand except for machining the cylinder. The following port work has been done:

1.Machined Cylinder For 2mm Stroker

2. Resurfaced intake port

3. Inlarged and resurfaced exhaust port

4. Reshaped/Resurfaced/Enlarged transfers ports

This big bore kit will fit the following Motors/Cars/Trucks:

Motors: G230RC, G260RC, CY23rc,CY26rc, CY27rc, CY29rc,GP290, 27cc Head Kit Motor, 29cc Head Kit Motor He23hp, He26hp.

Offroad Rc Cars: HPI Baja 5B, FG Marder,FG Marder Race,FG Monster Beetle,FG Monster Beetle Pro,FG MT5,FG Stadium Truck, Duratrax Firehammer, Carson Attack, Smartech Travel,ler,FG Leopard, XTM
Leopard Race,FG Leopard STX,FG Marder Beetle,FG Pajero, And most other large scale cars.

Onroad Rc Cars: FG Evo-4,FG Sportline, HARM,FG F-1 Competition, And most other large scale onroad cars