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.

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 – (1) Each 1/4” NPT & 3/8” NPT & (2) 1/8” NPT
  • (2) Throttle Linkage Mounting Bosses
  • Cast aluminum finish
  • Overall Height 6.4”

Specs

Brand Holley EFI
Category Air and Fuel Delivery
Color Silver
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Silver
Fuel System Type EFI
Gasket Or Seal Included Yes
Height 6.4 inch
Material Cast Aluminum
Part Type Fuel Injection Throttle Body Adapter
Product Type Intake Elbow
Sub Category Hardware, Fasteners and Fittings
Throttle Bore 105mm
Warranty Manufacturer's Limited 90 Day Warranty
UPC 090127063446
Part Number 300-248
SKU 300-248
Barcode # 90127063446
Brand Holley EFI
Shipping Weight 1.7200kg
Shipping Width 0.120m
Shipping Height 0.180m
Shipping Length 0.270m

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