Holley Hi-Ram Intake Manifold - 105mm TB - GM LT1 w/EFI Port Provisions

In stock
SKU: HLY300-140
Intake Manifold, Hi-Ram EFI, 105 mm Throttle Body Flange, Tunnel Ram, Fuel Rails Included, Injector Ports, Direct Injection, Aluminum, Satin, GM GenV LT-Series, Kit
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Regular price $1,148.95
Regular price Sale $1,277.00 Sale price $1,148.95
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*** The front and rear height measurements listed in the Specs section are referencing the overall height with the top plate installed. Please see the diagrams in the product images for other dimensions.

  • 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" High x 1.53" Wide
  • Runner Length: Approx. 6.5"
  • Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top)
  • Available With or Without Injector Ports in the Runners
  • Intakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48" or 2.56" O-ring to O-ring injector length)
  • Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End
  • Rear of Plenum Machined for MAP & 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 & Plenum Top
  • Easy Assembly w/ Top Mounted Screws on Plenum Top (all except front 2 screws)
  • 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
  • Product Description:

  • Intake Manifold
  • Hi-Ram EFI
  • 105 mm Throttle Body Flange
  • Tunnel Ram
  • Fuel Rails Included
  • Injector Ports
  • Direct Injection
  • Aluminum
  • Satin
  • GM GenV LT-Series
  • Kit
  • For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.