Holley H-14037 “Holley Mid-Rise EFI Intake Manifold & Rail Kit, LS1” has been added to your cart. View cart Showing the single result Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Holley Mid-Rise EFI Intake Manifold & Rail Kit, LS1 $600.00 Add to cart