Suncoast Performance is an industry leader in automatic transmission performance upgrades. If its time for complete rebuild or a performance overhaul for more power capabilities, Suncoast is our top choice. In partnership with Suncoast, we have developed these special +1300hp transmission kits to handle extreme amounts of power and still shift smoothly under full boost. Ford Mustang and F-150 owners, we have all the necessary 6r80 / 10r80 rebuild kits and clutch packs ready to go in stock for a fast rebuild time. Beefcake Racing is an Authorized Dealer for Suncoast Performance, call 1-855-827-7223 from 9am-10pm EST.