Hi-Ram Intake Manifold - GM LT1 - 1 x 105mm LS Throttle Body (Longitudinal Mount) w/Port EFI Provisions & Fuel Rails
$1,299.95
300-140
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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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$1,299.95
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