DinanAuthorized Reseller

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

Part # 300-267

  • Provides great performance to 6500 rpm for street/strip performance applications while providing the look of a racing EFI intake manifold
  • 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
  • Great for supercharged or turbocharged engines
  • Power band from 1500-6500 rpm
  • May require an aftermarket hood for some vehicle applications.
  • Cast aluminum construction
  • 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).

Description

For use with LS Dual Plane Mid-Rise intake manifold base to adapt to modular tops.

Specifications

Grade TypePerformance
Manifold ColorCast
Manifold MaterialAluminum
Manifold Mount Hole Quantity12
MaterialAluminum
Type of ComponentManifold Top
UPC / GTIN00090127065426
WarrantyManufacturer's Limited 90 Day Warranty