Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads.

Designed with a 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

The manifold kit includes the fuel rails, mounting hardware, and o-ring cylinder head mounting flange gaskets.

Features:
  • 2500-7000 RPM 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 mild power adder applications
  • Efficient casting 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 and bellhousing flange
  • Port size - 2.33" height x 1.27" wide
  • Includes FKM o-ring intake to cylinder head gaskets

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