Single Plane Intake Manifold for Gen III Hemi EFI

300-931 and 300-931BK have a 4150 flange to accept square bore carburetors or a Sniper EFI. They are machined from castings without the bosses for fuel injectors for a cleaner look. These new single-plane intake manifold kits are designed for 2009-Current 5.7-liter, 2005-2010 6.1-liter, and 2011-Current 6.4-liter Chrysler Gen III Hemi engines. They provide maximum hood clearance combined with plenum and runner geometry that provide a broad RPM powerband for high-performance street/strip engine applications to a maximum engine speed of 7500 RPM. The isolated design of the air/fuel passages helps to increase charge air density and performance. 300-930 and 300-930BK are designed for 4150 type throttle valves. Included are billet fuel rails along with mounting brackets for either Bosch EV-1 type fuel injectors or most Gen III Hemi OEM injectors. Features: Billet fuel rails included with 300-930, 300-930BK Minimum carb flange height for maximum clearance to hood Cast aluminum construction. Great for turbocharger, centrifugal blower or NOS power adders Height to throttle valve flange in front is 3.31-inch, rear is 4.25-inch Port size: 1.72-inches tall, 1.75-inches wide O-ring seals around ports Unique casting for 300-931, 300-931BK without injector bungs for clean appearance Designed for use with either Bosch EV1 or Gen III Hemi OEM fuel injectors 4150 type throttle/carb flange Billet aluminum oil fill cap included Fits 2009-2023 5.7-liter, 2005-2010 6.1-liter and 2011-2023 6.4-liter Chrysler Gen III Hemi engines.