Holley EFI - Hi-Ram Lower Manifold - GM LT1 - Base only - No port EFI Provisions
Holley EFI - Hi-Ram Lower Manifold - GM LT1 - Base Only - With Port EFI Prov.
Holley EFI - Hi-Ram Intake Manifold - GM LT1 - 1x92mm LS TB - No Port EFI Provis
Holley EFI - Hi-Ram Intake Manifold - GM LT1 - 1x105mm LS TB - No Port EFI Provi
Holley EFI - Hi-Ram Intake Manifold - GM LT1 - 1x105mm LS TB - With Port EFI Pro
Holley EFI - Hi-Ram Intake Manifold - GM LT1 - 1x92mm LS TB - With Port EFI Prov