TBA Machine manufacturers some of the coolest billet performance auto parts on the market today! Specialty billet parts for supercharged vehicles like pulley tensioners and idler pulley are made to strict tolerances for high horsepower cars. TBA Machine makes a number of specialty parts for the Dodge Hellcat, Charger and Challenger Hellcat models. Be Sure to check out the TBA Machine diff brace which adds strength to the factory rear end and fits both Hellcat and Demon cars. Beefcake Racing is an Authorized Dealer for TBA, please call 1-855-827-7223 from 9am-10pm EST for more info or best pricing.