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Holley

Hi-Ram Intake Manifold - GM LT1 - 1 x 105mm LS Throttle Body (Longitudinal Mount) w/Port EFI Provisions & Fuel Rails

Hi-Ram Intake Manifold - GM LT1 - 1 x 105mm LS Throttle Body (Longitudinal Mount) w/Port EFI Provisions & Fuel Rails

300-140

Low stock: 7 left

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$1,034.95 USD
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Holley Hi-Ram Intake Manifold - GM LT1

Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads; Black Ceramic Coated Finish

Overview
Single Plane EFI LS Intake Manifold. All GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads. Black Ceramic Coating to provide you with that aggressive look in your engine compartment.

Includes mounting bolts & washers. Also includes O-ring cylinder head mounting flange gaskets for an OEM style seal. Kit does not work with factory fuel rails and requires the use of Holley Fuel Rail Kit P/N 534-219. NOTE: The EFI versions of the LS HI-Ram intake manifold and fuel rail are designed to accept Bosch Style EV-1 or Magneti Marelli Pico fuel injectors. OE LS fuel injectors may not fit properly in the Hi-Ram EFI intake manifold fuel rail assembly. There is a kit available separately for the LS7 Hi-Ram EFI to allow the use of stock LS7 fuel injectors, P/N 300-230 (see below in the service parts section).

Features:
  • Modular Design w/ Removable Top
  • 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


Details:
  • Construction: Cast
  • Engine: GM Gen V LT1
  • Finish: Satin
  • Flange Style: EFI
  • Manifold Type: Hi-Ram
  • RPM Power Band: 3500-8000+
  • Warranty: Limited 90 Day


Links
Instruction Sheet
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