Holley EFI Cast Aluminum 4500 EFI Throttle Body Intake Elbow-LS

  • $225.95
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These cast 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.


  • Replacement fuel rail kit for Low-Ram 300-620 and 300-621 single injector design
  • High volume fuel rails and mounting hardware included with ¬æ‚Äù-16 o-ring ports (8 AN)
  • Kit includes two sets of brackets to allow using long or short injectors
  • Bright dip, black anodized finish with laser etched EFI logo for long lasting good looks