This adaptor uses your factory Polaris Matrix tunnel T slots to mount no drilling or modifications. This adaptor only works with the Gen 4 Ski doo tanks due to clearance issues with the mounting hardware. Unlike other adaptors ours includes the ski doo base kit mounts a $40 value. Do not use stackable accessories this adaptor is only designed for single accesories also do not excede factory recommended load weight. 
 
Notice to customers : North Country .mfg .LLC is not responsible for any misuse of our products, damage to property or persons in anyway.