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Air and Fuel› Intake Manifolds and Components

Holley

4500 LS SP INT EFI LS1 PORT W/FUEL RAILS

$843.95 $584.95 Save $259.00

SKU: H00E 300-294

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$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Holley Single-Plane Race intake manifold is engineered for maximum performance, featuring a two-piece split design that allows for easy porting and modification. It utilizes shoulder bolt locators and O-ring seals for straightforward and precise disassembly and reassembly. This manifold, which includes AN-8 fuel rails, is specifically designed to fit GM LS Gen III engines equipped with cathedral port cylinder heads. It features a 4500 Dominator style carb flange, making it compatible with carburetors, EFI throttle bodies, or EFI throttle body elbows. It also includes an LS MAP sensor port and additional NPT ports for plenum vacuum or air-temp sensors. This LS Race single-plane intake manifold is intended for high-performance and racing applications, suitable for 5.3 to 6.2+ liter displacements, with or without power adders. Its large volume 4500 plenum and optimized runners are designed to provide excellent airflow for high-RPM engines, achieving maximum power at 7500-8000+ RPM.
Show original supplier description

Part #: 300-294

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.

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

Split-Design Race Intake Manifold- GM LS1/LS2/LS6 Cast Finish with Fuel Rails

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandHolley
Part NumberH00E 300-294
Weight26.24 lb

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