$148 Off

Holley 300-142 Hi-Ram Intake Manifold, GM LT1

$148 Off

Holley 300-142 Hi-Ram Intake Manifold, GM LT1
Holley

|

#425300142

Holley 300-142 Hi-Ram Intake Manifold, GM LT1

$1,177.95

/each

Factory Shipped

$1,325.95

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Product Summary

EFI Fuel System Type, Direct Injection Injection Style

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    Key Specs

    MFG. Part #300-142
    Injection StyleDirect Injection
    Intake Manifold TypeHi-Ram
    RPM Range3,500-8,000
    Material TypeAluminum
    See more specs

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    Holley 300-142 Details

    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
  • 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 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)
  • 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

    • CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
    CARB warning

    Holley 300-142 Specifications

    KEY SPECS
    MFG. Part #300-142
    BrandHolley
    Injection StyleDirect Injection
    Intake Manifold TypeHi-Ram
    RPM Range3,500-8,000
    Material TypeAluminum
    GENERAL
    Fuel System TypeEFI
    FinishNatural
    EGRNo
    Throttle Body Bore Size105mm
    Intake Section IncludedComplete
    Plenum MaterialAluminum
    Plenum FinishNatural
    Base MaterialAluminum
    Throttle Body IncludedNo
    Injectors IncludedNo
    Aftermarket Fuel Rail RequiredNo
    Fuel Rails IncludedNo
    Overall Height13.34"
    Runners IncludedYes
    Runners RemovableNo
    Supplemental Bosses Cast-InNo
    Supplemental Bosses MachinedNo
    Sold in QuantityKit
    NotesKit includes mounting hardware and gaskets.
    GTIN Code090127730539
    Fuel Injection StyleDirect injection
    Multi-Port Fuel Rails IncludedNo

    Questions & Answers

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    Fitment

    • 6.2 Chevy LT V8

    • 6.2 Chevy LT V8

    • 6.2 Chevy LT V8

    • Chevy LT V8 Gen V 6.2 LT4

    • Chevy LT V8 Gen V 6.2 LT1

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

    • 6.2 Chevy LT V8

    • 5.3 Chevy LT V8

    • 5.3 Chevy LT V8

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