102mm Hi-Ram EFI LS Intake Manifold for Chevy GM LS3 L76 L92 L99 6.0L 6.2L Black. 92mm Hi-Ram EFI LS Intake Manifold for Chevy GM LS3 L76 L92 L99 6.0L 6.2L black. Throttle Body Bore Size: 102mm. - The EFI versions of the LS hi-ram intake manifold and fuel rail are designed to accept EV-1 or pico fuel injectors.
