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Holley EFI

Holley EFI 300-253BK Billet 4500 EFI Throttle Body Intake Elbow-LS- Black Finish

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

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

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Holley EFI 300-253BK Billet 4500 EFI Throttle Body Intake Elbow-LS- Black Finish

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These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Holley's 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”
  • Black Finish
Bore (mm)105
Brand Holley EFI
ColorBlack
Diameter105mm
Emission Code3
Product TypeThrottle Body Intake Elbows
WarrantyManufacturer's Limited 90 Day (1 Year with Warranty Registration)
UPC090127062845
Manufacturer Part Number300-253BK
Part Number300-253BK
3

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

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

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
Instructions for 300-253BK
Manufacturer's Limited 90 Day (1 Year with Warranty Registration): See Details

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      *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.