Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies 3500-8000+ RPM Power Band
The versions of the LT1 Hi-Ram intake manifold with port EFI provisions and fuel rails are designed to accept Bosch Style EV-1 or GM LS7 fuel injectors