Polaris 2876367 - SPORTSMAN CARGO BOX BACKREST KIT Backrest Kit to be installed on a Sportsman Rear Cargo Box (PN 2875176- sold seperately)Polaris 2876367 - SPORTSMAN CARGO BOX BACKREST KITSKU: 2876367 $179.99 Regular Price$90.00Sale PriceQuantity*Add to Cart