OBX Votex PowerFlow Throttle Body Spacer 99-04 FORD F-250 F-350 SUPER DUTY PICKUP V10 6.8L Precision Computer CNC machined from super lightweight T-6061 T-6 aircraft grade billet aluminum Mega spiral flow design for fuel efficiency Faster fuel induction for more horsepower Dyno-tested and proven on race track All necessary gaskets and hardware included