SKU: 56938267251

Cast Aluminum 4500 EFI Throttle Body Intake Elbow-LS - 300-248

Sale price$98.52 Regular price$109.47
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Cast Aluminum 4500 EFI Throttle Body Intake Elbow-LS - 300-248Overview: 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

Overview:

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”

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Color Natural
Emission Code 3
Engine GM Small Block Gen III/IV (LS Based)
Finish Satin
Fuel System Type EFI
Height 6.4 inch
Material Cast Aluminum
Product Type Intake Elbow
Throttle Bore 105mm
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56938267251

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Stephen Szczygiel
Carnegie, US
★★★★★ 5
Hold vest
Color: Red, Size: 3X-Large
Great look & fit !
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Reviewed in the United States on March 1, 2026
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Trey
Charlottesville, US
★★★★★ 5
Great vest
Color: Dark Grey, Size: X-Large
This lil vest is awesome. A little thicker than I expected but perfect for my cool office. Looks like it cost twice as much. I had my company info put on it and looks like it cost 150.
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Reviewed in the United States on April 16, 2026
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D.L. OHollaren, Jr.
West Palm Beach, US
★★★★★ 3
fit
Snug fit.
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Reviewed in the United States on April 26, 2025
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Shopper scott
Lexington, US
★★★★★ 5
Ordering one of each color
Color: Dark Grey, Size: X-Large
Good quality for price. Probably the best item i have ever bottom off Amazon and this int a lie. I love this 1/4 zip vest. Works perfect.
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Reviewed in the United States on April 25, 2026
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Amazon Customer
Charlottesville, US
★★★★★ 1
To heavy
Color: Black, Size: X-Large
Vest is heavy and frankly very warm can’t see in what environment I’d wear it because at 40-50 I would use light down coat with sleeves I returned from t same day I reviewed it
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Reviewed in the United States on January 8, 2026

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