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Holley #300-143 GM GEN V LT1 Hi-Ram Intake Manifold for LS 92mm Throttle Bodies ((Longitudinal Mount without Port EFI Provisions)

Original price was: $1,059.99.Current price is: $100.00.

(In Stock)

SKU: TVXL5308000 Category:

COMPATIBLE: (6.2L – LT1)

2014 – 2017 CHEVY SS

2016 – 2024 CHEVROLET CAMARO SS

2020 – 2024 CHEVROLET CAMARO LT1

2014 – 2019 CHEVROLET CORVETTE STINGRAY

2017 – 2019 CHEVROLET CORVETTE GRAND SPORT

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.

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 & 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.

  • 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

Basic Operating RPM Range 3500-8000+ RPM
Brand Holley EFI
Category Filter Intake Manifolds
Clearance Category Intake Manifolds
Color Natural
Construction Cast
EGR Port No
Emission Code 4
Engine GM Gen V LT1
Finish Satin
Grade Type Performance
Intake Port Gasket(s) Included No
Manifold Type Hi-Ram
Material Aluminum
Nitrous Bung(s) Included No
Plenum Finish Natural
Product Type Intake Manifold
Removable Runners No
RPM Power Band 3500-8000+
Sale Category Air and Fuel Delivery
Single Or Dual Plane Type Single Plane
Throttle Body Bore Diameter 92 MM
Throttle Body Included No
Warranty Limited 90 Day
UPC 090127730546
Part Number 300-143

ABOUT HOLLEY PERFORMANCE

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holleys market-leading EFI products as well as through Holleys family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industrys 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, Holleys commitment to its customers and their cars is at the core of everything we do.

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