Holley EFI LS Mid-Rise EFI Square Bore Multi Port Intake Manifold - LS1 / LS2 / LS6 - GM LS-Series HSCHD11 The GTX3 Wing kit includes

The GTX3 Wing kit includes both the wing and insert screws

Flows 35 Percent Better Than Stock

They are specially formulated to withstand corrosion

our professional head cc kit can handle up to 100cc of volume

Holley EFI LS Mid-Rise EFI Square Bore Multi Port Intake Manifold - LS1 / LS2 / LS6 - GM LS-Series HSCHD11 The GTX3 Wing kit includesHolley Mid Rise Intake GM LS1 LS2 LS6 Single Plane MidRise EFI LS Intake Manifold. Fits all GM LS Gen III or IV engines equipped with LS3 L92 style rectangular port cylinder heads Includes mounting bolts & washers as well as pipe plugs for Manifold vacuum and MAP sensor ports. Also includes O ring cylinder head mounting flange gaskets for an OEM style seal. Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P N