Single-Plane EFI Intake Manifold w/ Fuel Rails 4150 square bore For LS1 LS2 LS6 Product Description OE Number 300-137 534-219 HH6313S HH0862S HH6449RS Will fit Following Models Fitment: GM Gen III or Gen IV LS engines with LS1/LS2/LS6 cylinder heads Features: Optimized runner layout and constant cross sectional area - broad torque curve. Minimum carb flange height - fits most vehicles with minimum hood modifications. Cast aluminum construction - great manifold for LS swaps, centrifugal blower, turbocharged or NOS power adder applications. Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality. Flange: 4150 square bore flange Color: Silver (Bare Cast Aluminum) Material: Aluminum Placement on Vehicle: Front, Upper Engine Size: LS1/LS2/LS6 GM.
