Holley EFI- 300-240 4150 EFI Throttle Body Intake Elbow for LS Throttle Bodies

Holley EFI

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EFI Throttle Body Intake Elbow 4150 - Fits GM LS Throttle Bodies

This cast EFI intake elbow allows the use of GM LS throttle bodies on any intake manifold w/ the 4150 mounting flange. Slotted mounting holes & dual throttle cable mounting bracket bosses allow the elbow & throttle body to be mounted forward, sideways, or rearward. Features (4) vacuum ports, MAP sensor port, machined / port matched to 4150 gasket, and 100° throttle body angle for extra hood clearance. Includes MAP sensor port cover, gaskets & hardware.


  • Fits GM LS Throttle Bodies
  • 105mm Throttle Body Opening - 100° Mounting Angle
  • Fits Intakes w/ 4150 Flange
  • Slotted Mounting Holes Allow Forward, Sideways or Rearward Throttle Body Mounting
  • LS3 Style MAP Sensor Mounting
  • (4) Vacuum Ports – (1) Each 1/4” NPT & 3/8” NPT & (2) 1/8” NPT w/ Indirect Baffled Signal
  • (2) Throttle Linkage Mounting Bosses
  • Sand Cast w/ Satin Finish
  • Overall Height 5.12”
Brand Holley EFI
Color Silver
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Silver
Fuel System Type EFI
Height 5.12"
Product Type Intake Elbow
Throttle Bore 105mm
Warranty Limited 90 Day
UPC 090127745854
Part Number 300-240

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