Product Summary

EFI Fuel System Type, Aluminum, Natural

  • LS1-Specific Fitment - Designed for LS1 cylinder heads with precise port matching for optimal flow and performance
  • 4150 Flange Compatibility - Standard square-bore 4150 pattern accepts FiTech throttle bodies or other EFI/carb setups easily
  • Cast Aluminum Build - Lightweight, durable construction for reliable operation and effective heat management
  • Built-In Fuel Rails - Features high-quality aluminum rails with stainless crossover and fittings for efficient, tidy fuel supply
  • Complete Installation Kit - Includes all required gaskets and hardware for a simple bolt-on upgrade on compatible LS engines
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Key Specs

MFG. Part #37007
BrandFiTech
Intake Manifold TypeIndividual Runner
Material TypeAluminum
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FiTech 37007 Details

FiTech Fuel Injection's 37007 is a rugged cast aluminum intake manifold tailored for LS1 engines (and compatible LS variants). It uses a standard 4150 (4-barrel) flange, perfect for bolting on FiTech throttle body EFI systems, making it great for carb-to-EFI conversions, port injection builds, or boosted/naturally aspirated setups. It includes integrated aluminum fuel rails for clean fuel delivery and comes with necessary gaskets for straightforward installation.

Key Features

  • LS1-Specific Fitment - Designed for LS1 cylinder heads with precise port matching for optimal flow and performance
  • 4150 Flange Compatibility - Standard square-bore 4150 pattern accepts FiTech throttle bodies or other EFI/carb setups easily
  • Cast Aluminum Build - Lightweight, durable construction for reliable operation and effective heat management
  • Built-In Fuel Rails - Features high-quality aluminum rails with stainless crossover and fittings for efficient, tidy fuel supply
  • Complete Installation Kit - Includes all required gaskets and hardware for a simple bolt-on upgrade on compatible LS engines

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.

FiTech 37007 Specifications

KEY SPECS
MFG. Part #37007
BrandFiTech
Intake Manifold TypeIndividual Runner
Material TypeAluminum
GENERAL
Fuel System TypeEFI
FinishNatural
Fuel Rails IncludedYes
Hardware IncludedYes
Sold in QuantityKit
GTIN Code812061038447

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