Holley Single Plane EFI 4500 Split-Design Race Intake Manifold 300-294
SKU: 11584101758

Holley Single Plane EFI 4500 Split-Design Race Intake Manifold 300-294

Sale price$269.98 Regular price$299.98
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

Holley Single Plane EFI 4500 Split-Design Race Intake Manifold 300-294Overview: The new Holley Single Plane Race intake manifold is designed with maximum performance in mind. Featured is a two piece split design that provides access for all levels of porting and modification. With shoulder bolt locators and O ring seal, disassembly & reassembly is simple and precise. The manifold with AN 8 fuel rails fits GM LS Gen III engines with cathedral port heads and has a 4500 Dominator style carb flange for carburetors, EFI

Overview:

The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featured is a two-piece split design that provides access for all levels of porting and modification. With shoulder bolt locators and O-ring seal, disassembly & reassembly is simple and precise. The manifold with AN-8 fuel rails fits GM LS Gen III engines with cathedral port heads and has a 4500 Dominator style carb flange for carburetors, EFI throttle bodies, or EFI throttle body elbows, and is configured with a LS MAP sensor port along with other NPT plenum vacuum or air-temp sensor ports. The LS Race single-plane intake manifold is designed for hi-performance/racing engine applications, 5.3 to 6.2+ liter displacements, N/A or with power adders. The large volume 4500 plenum and optimized runners provide airflow potential for Hi-RPM engines with max power at 7500-8000+ RPM.

Features:

  • Maximum performance 4500 Dominator flange race design with hood clearance consideration
  • Lighter than other split race intakes
  • Split feature making porting efforts easy!
  • 33 to 50% the price of other split race intakes
  • Captured O-ring seals at head ports and plenum split
  • Vacuum Port options include (2) 1/8, (1) 1/4, and (1) 3/8, NPT ports at the carb flange
  • Two versions available: EFI type - Billet Fuel Rails and rail mounting hardware included, or Carbureted / Sniper EFI 4500 TBI style

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Barrels 4
Brand Holley
Color Silver
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Satin
Flange Style 4500
Front Height 7.32"
Fuel System Type EFI
Manifold Type Split Single Plane
Product Type Manifold
Rear Height 7.32"
RPM Power Band 2500-7000
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: 11584101758

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Reviewed in the United States on December 1, 2025
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Double check sizing
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