Powermadd Pivot Adapter KitPivot Style Riser Block Conversion Kit Allows the handlebar and rider to move forward, optimizing the center of gravity of your snowmobile for better handling and control (like the Ski Doo MXZ REV chassis concept) Handlebars can be pivoted forward or back from original stock position Pivot Adapter raises bars an additional 1. 25" Choose a PowerMadd Riser Block height of 2", 4", 6", or 8", or an OEM Pivot Style Riser Block Machined from 6061 T6