Holley EFI GM LS1/2/6 Single Plane Intake Manifold - Black

Black Ceramic Coating to provide you with that aggressive look in your engine compartment. Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads.

Includes mounting bolts & washers. 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 534-219.

NOTE: The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the Hi-Ram EFI intake manifold fuel rail assembly. There is a kit available separately for the LS7 Hi-Ram EFI to allow the use of stock LS7 fuel injectors, P/N 300-230 (see below in the service parts section).

Features:

• Includes Viton® O-ring intake to cylinder head gaskets - Viton® is a registered trademark of DuPont Performance Elastomers
• Black ceramic coating provides an aggressive look to your engine compartment
• Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219
• Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange
• 2500-7000 RPM power band
• Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
• 4150 Square bore flange
• Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
• Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
• Weight - 11.5 lbs.
• Port size - 2.50" height x 1.15" wide