RZR-570-800-800S-RZR4 UHMW Fuel Tank Protector. This Polaris RZR, RZR 570, RZR 800 S, RZR 4 UTV UHMW fuel tank protection is made from 3/8 UHMW and is a direct bolt on item. This is the same protection Factory UTV Support racers have used to protect their race UTV s and win every major Pro UTV Endurance Championship race including the Baja 500, Mint 400, King of Hammers, San Felipe 250 and Silver State 300. Factory UTV is the first name in UTV protection products. Don t settle for second best. Protect your vulnerable fuel tank with our tough UHMW protection