LS1/LS2/LS6 Single Plane Mid Rise Intake Manifold Suit Single 4150 EFI 4BBL 1000cfm Throttle Body

Single Plane Mid–Rise EFILS Intake Manifold. All GM LS Gen III or IV engines equippedwith LS1/LS2/LS6 style cathedral port cylinder heads.

Features:

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