PIVOT STYLE RISER BLOCKCustomize your handlebar height by replacing your OEM riserto raise or lower your handlebars.Machined from 6061-TB aluminum for maximum strength.Powermadd's Pivot Style Risers will directly replace OEMPivot Style Risers that come on new Artic Cat, Polaris andSki Doo snowmobiles with pivot style steering stem.Some snowmobiles may need Powermadd's Throttle Extension Kitwhen using riser blocks.Allows the handlebars and rider to move forward, optimizingthe center of gravity and improving the handling and control like the Ski-Doo MZX-REV chassis concept .Snowmobiles not currently equipped with Pivot Sytle RiderBlocks need to use a Pivot Adaptor Kit.Utilizes exising OEM bols and clamps.