SKU: 6673341325

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

Sale price$382.48 Regular price$424.98
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23

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Description

Holley Single Plane EFI 4500 Split-Design Race Intake Manifold 300-294BKOverview: 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 Black
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Black
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: 6673341325

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4.2 ★★★★★
Based on 12 reviews
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A
Verified Purchase
Angela
Waukegan, US
★★★★★ 3
Beautiful watch for the money.
Color: Big Dial Gold White Men Watch
This was a beautiful watch purchased at a great price. When I received it, it was not working. I suspected that it needed a battery. I sent it back and got a refund. I have considered repurchasing the watch again, as it looks like an expensive time piece.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2024
D
Verified Purchase
Dominic
Omaha, US
★★★★★ 5
excellent watch
Color: Gold Band Gold Face
this is definitely worth the buy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
M
Verified Purchase
Mark Bergley
Waukegan, US
★★★★★ 5
Good looking watch solid looks real!
Color: Gold Band Gold Face
Watch is exceptionally good looking and looks real big somewhat little tool which everybody in the review says doesn’t work broke just like everybody says I had to bring it to a professional jeweler to get one link removed worth it though love it?!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2024
J
Verified Purchase
Jay
Omaha, US
★★★★★ 5
It’s affordable
Color: Gold Band Gold Face
This was good. Got this from my father. He absolutely love it. Quality is OK.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 28, 2025
D
Verified Purchase
DefenseWinsGames
Cuba, US
★★★★★ 4
Time
Color: Gold and Silver Band Blue Face
Well made I enjoy the watch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 13, 2025

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