This kit is a must when removing the governor from your engine! Add to your Stage 1 kit for more durability and performance or add a Mikuni kit and header to build a complete kit with even more performance! Your Hemi Predator comes with a factory .550 compression height flat top piston. With the rod supplied, your stock flat top piston will be at deck height! NOTE: This Kit Requires Mechanical Knowledge! Some Engines May Require Additional machining and Clearance, Especially Hemi Motors. Kit Includes: