KTM, GAS GAS, Husqvarna 500 Big Bore 98mm Cylinder 540cc Kit

This is a complete kit including everything needed to bolt on a BRAND NEW big bore cylinder for KTM, Husqvarna, and GAS GAS 500cc models from 2016 to present. No Core Required! (If upgrading a 450 engine to this kit the 500 crank, cam chain, and bolts are required, contact us for more info)  

• Kit includes a New Geisick Performance TALL 98mm cylinder, Custom JE 98mm Piston kit, and Cometic Head and base gaskets. This takes a 500 to 540cc. 

• Custom designed JE piston is a light weight design, with 14.5:1 compression, and built in clearances for big valves, and big cams.

• Cometic gasket kit includes head and base gaskets. (always check all clearances during assembly to ensure proper specs due to factory variances)

• Utilizes Brand New cylinder, so no stock core cylinder is needed 

• Designed with additional piston skirt support improving piston and cylinder wear

• No case modification required

• Better ring seal and less blow by equals more power

• Excellent cooling characteristics for the most demanding racing situations

• Great option to replace damaged stock cylinders

  
  

A large fuel injector is highly recommended to supply enough fuel on these bigger engines as they make enough power to max out the stock fuel injector.