This Automotif port injection plate fits all Gen 1 B58s and is available with 750cc or 1050cc Bosch injectors to increase the fuel supply to high powered B58s looking to go even further. The billet 6061 grade alumnium has been anodised black to withstand an corrosive fuels. All harware is supplied for a easy installation. The scavenger fuel line is needed with a 5/16 connect T-piece.