The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper and cross-sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake runners allow increased performance potential by using additional injectors along with the factory direct injection. When you look for the pinnacle of performance, price, and quality, look to Holley EFI.

Features:

  • Modular Design w/ Removable Top
  • Available With or Without Injector Ports in the Runners
  • Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End
  • Rear of Plenum Machined for MAP and 3 Vacuum Ports
  • Head Flange has Clearance for Fuel Supply to High Pressure Pump
  • Increased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner
  • O-Ring Seals at Cylinder Heads and Plenum Top
  • Easy Assembly w/ Top Mounted Screws on Plenum Top (all except front 2 screws)
  • Injectors are 40mm Height measured O-Ring to O-Ring utilizing a 14mm O-Ring diameter, not for use in LS2/LS3/LSA applications without the use of a custom lower O-Ring
  • Overall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See Drawing
  • A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
  • Height at Plenum Flange: 9.44”
  • Port Size: 2.06” Height x 1.53” Width
  • Runner Length: Approx. 6.5”
  • Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top)
  • Intakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)
  • Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies
  • 3500-8000+ RPM Power Band

Specs

Basic Operating RPM Range 3500-8000+ RPM
Brand Holley EFI
Category Engine
Color Natural
Construction Cast
EGR Port No
Emission Code 4
Engine GM Gen V LT1
Finish Satin
Flange Style EFI
Fuel Injectors Included No
Fuel Rail(s) Included Yes
Gasket Or Seal Included Yes
Grade Type Performance
Intake Port Gasket(s) Included No
Manifold Type Hi-Ram
Material Aluminum
Nitrous Bung(s) Included No
Part Type Engine Intake Manifold
Plenum Finish Natural
Product Type Intake Manifold
Removable Runners No
RPM Power Band 3500-8000+ RPM
Single Or Dual Plane Type Single Plane
Sub Category Cylinder Block Components
Throttle Body Bore Diameter 105 MM
Throttle Body Included No
Warranty Manufacturer's Limited 90 Day Warranty
UPC 090127730515
Part Number 300-140
SKU 300-140
Barcode # 90127730515
Brand Holley EFI
Shipping Weight 13.1700kg
Shipping Width 0.410m
Shipping Height 0.420m
Shipping Length 0.670m

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