Ultimax By Timken Xp Belt Atv/UTV Uxp428 Fits 2019 Argo Bigfoot 800 MX8 UXP428 MSRP: $278.68 Sale price $250.80 Designed to match OEM in appearance and specifications.Cast from AB4C aluminum with Nikasil plated sleeves for excellent wear & durability.AT-09477 & AT-09478 require no case modification when installing. Qty in Cart: 0 Quantity ( in cart): Decrease Quantity: Increase Quantity: Price: MSRP: $278.68 Sale price $250.80 Subtotal: Add to Cart