The Triton Snowmobile Trailer Wishbone Tongue Spring Lift Kit #07984 is used for the tilting part of your trailer. It helps keep the trailer tilted so that you can get your first machine loaded onto the deck. This tilt assist spring kit is made for wishbone tongue trailers. It is a nice option for those who need more help tilting the trailer with salt shields and covers mounted on the front. Mounts underneath the trailer.