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Billet 4500 EFI Throttle Body Intake Elbow-Ls

EFI Throttle Body Intake Elbow 4500 - Fits GM LS Throttle Bodies

Part # 300-253 Be the first to write a review

Billet 4500 EFI Throttle Body Intake Elbow-Ls

Estimated Ship Date: 04/05/2024
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3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

See Emissions Details
These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to the intake plenum for maximum airflow and distribution. Dual throttle cable mounting bracket bosses are included while the 4500 flange pattern allow the elbow & throttle body to be mounted forward, sideways, or rearward. The throttle bracket is included. Features (4) vacuum ports, MAP sensor port, machined / port matched to 4500 gasket, and 100° throttle body angle for extra hood clearance. Includes billet MAP sensor port cover, gaskets & hardware. The port design spacing will also allow a transducer to be used if a MAP sensor is not needed. The intake flange has an o-ring groove for a positive flange seal and the o-ring is included as well.

Features:

  • Fits GM LS Throttle Bodies
  • 105mm Throttle Body Opening - 100° Mounting Angle
  • Fits Intakes w/ 4500 Flange- designed to use the included o-ring for sealing
  • The 4500 square flange pattern allows Forward, Sideways or Rearward Throttle Body Mounting
  • LS3 Style MAP Sensor Mounting
  • (4) vacuum ports, MAP sensor port,
  • (2) Throttle Linkage Mounting Bosses
  • Machined Billet finish
  • Overall Height 6.38”

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand Holley EFI
ColorSilver
ConstructionCast
Emission Code3
EngineGM LS1/LS2/LS6
FinishSilver
Fuel System TypeEFI
Height6.3"
MaterialBillet Aluminum
Product TypeIntake Elbow
Throttle Bore105mm
WarrantyLimited 90 Day
UPC090127062838
Part Number300-253
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.


The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle


WARNING: It is against the law to install this part on an Emissions Controlled Vehicle


The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Limited 90 Day: See Details
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    Some parts are not legal for use in California or other states with similar regulations.