Edelbrock EFI Throttle Body Pro-Flo XT 90mm Black Mat Anodized FinishConstructed from billet aluminum, the new Edelbrock 90mm Victor Series Pro Flo XT(TM) Throttle Body, complete with TPS and IAC, maximizes performance upgrades on all Pro Flo XT, EFI Victor Elbow, and Gen III and Gen IV engines with cable driven throttle bodies. With bolt patterns for both LS generations, these enlarged single bore throttle bodies feature a progressive throttle linkage and parabolic bore design for increased power and enhanced low