Features:

• Great for supercharged or turbocharged engines
• Intended for use on all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads (recalibration of the ECU may be required when using this intake manifold design with OE ECU).
• 92MM EFI plenum top
• Power band from 1500-6500 rpm
• May require an aftermarket hood for some vehicle applications.
• Cast aluminum construction
• Unique modular design allows the combination of a traditional dual-plane layout with an EFI manifold plenum to produce great mid-range torque without compromising top end power
• Provides great performance to 6500 rpm for street/strip performance applications while providing the look of a racing EFI intake manifold

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

• Holley Mid-Rise Plenum Base Adapter Kit - GM LS1/LS2/LS6

  The Modular Mid-Rise intake utilizes the popular Holley LS1/LS2/LS6 cathedral port Mid-Rise 2 x 4 intake manifold along with a plenum base adapter and a Holley 92MM EFI plenum top which converts it into a Mid-Rise EFI intake manifold.

  Part# 300-267

  $269.95

  Qty: 

  Add To Cart

The following vehicles are considered Racing Use Only Vehicles:

• Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle