The Kwikee 905857002 90" Super Slide I Cargo Tray
only come with the side slide assemblies, no trim kit or front & back panels. The weight rating on these units is 1,000 lbs. The Super Slide II Kit includes side slide asseblies along with (2) End Trim Pieces, Jig Kit, and (3) Mid‐Rails. The Super Slide II 90" kit has a 800 lb rating.