Hero image 0 of Holley 300-294 Single Plane EFI 4500 Split-Design Race Intake Manifold- GM LS1/LS2/LS6, 0 of 11
Holley 300-294 Single Plane EFI 4500 Split-Design Race Intake Manifold- GM LS1/LS2/LS6
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Key item features
- Dominator Flange: Features a 4500 Dominator flange race design, optimized for hood clearance and compatible with carburetors, EFI throttle bodies, or EFI throttle body elbows.
- Split Design: Incorporates a two-piece split design for simplified porting and modification, with shoulder bolt locators and O-ring seals for precise assembly and disassembly.
- Engine Compatibility: Designed for GM LS Gen III engines with cathedral port heads, specifically compatible with LS1, LS2, and LS6 models.
- Vacuum Ports: Includes multiple NPT vacuum port options: two 1/8", one 1/4", and one 3/8" port at the carb flange, plus an LS MAP sensor port.
- Performance Focus: Engineered for high-performance and racing applications, suitable for 5.3 to 6.2+ liter displacements, both naturally aspirated and with power adders.
- RPM Optimization: The large volume 4500 plenum and optimized runners are designed to maximize power at 7500-8000+ RPM.
- Fuel System: The EFI version includes billet fuel rails and mounting hardware, with AN-8 fuel rails.
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Specs
- Compatible carsLS1/LS2/LS6
- Vehicle makeGM
- Vehicle modelLS1, LS2, LS6
- Vehicle fitment typeSpecific
- BrandHolley
- MaterialCast Iron
Current price is USD$749.95
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Columbus, 43215
Arrives by Wed, Feb 25
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Starting from $749.95
About this item
Product details
Compatible with LS1/LS2/LS6 Cast Finish with Fuel Rails;
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.;
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.;
- 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
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Specifications
Compatible cars
LS1/LS2/LS6
Vehicle make
GM
Vehicle model
LS1, LS2, LS6
Vehicle fitment type
Specific
Warranty
Warranty information
Manufacturer's Limited 90 Day Warranty
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
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