Installation Time
(approx) 20 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Holley EFI Gen II HEMI Hi-Ram Intake Manifold Base (08-20 5.7L HEMI, 6.1L HEMI, 6.4L HEMI Challenger)Find parts that fit my vehicle
Item CH23424
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Gen III HEMI EFI Manifold Base with As Cast Finish - Fits 2009-Up 5.7L, 2005-2010 6.1L, and 2011-Up 6.4L Engines
- EFI Fuel Rails Machined for -8AN O-Ring Fittings Featuring Large Passages to Accommodate High Fuel Flow and Reduce Pressure Pulsations
- Designed for High-Performance Use Where Induction System Height Is Not Restricted
- Compatible with Naturally Aspirated, Forced Induction, and Nitrous Engines from 5.7 to 7.2+ Liters
- Optimized for Maximum Power Output in the 7500-8500 RPM Range
- Modular Base Accepts a Wide Range of EFI Tops for Custom Induction Setups
- Large Intake Ports Measuring 1.70 Inches in Height by 1.88 Inches in Width
- Includes OE-Style Manifold Absolute Pressure (MAP) Sensor Port (1 or 2 Bar)
- Overall Height of 11.59 Inches
- O-Ring Seal to Cylinder Head with Large Retained O-Rings for Superior Sealing and Ease of Replacement
- Runner Length of 6.65 Inches with a Tapered Cross-Section for Versatile Performance
- Billet Oil Fill Cap with Low Profile Design
- Cast Aluminum Construction with Natural Satin Finish
- Compatible with Gen III HEMI Injectors and Bosch EV-1 Style Injectors
- Cast-In Pads for Nitrous Nozzle Installation
- Positive Crankcase Ventilation (PCV) Ports with Adapter Fittings
- Vacuum Ports Include Two 3/8 Inch NPT and One 1/4 Inch NPT
- Includes EFI Fuel Rails with Gaskets and Seals (Note: Intake port and throttle body gaskets not included)
- Single Plane Manifold Type with Removable Top/Lid
- Fits 2009 and Up 5.7L HEMI, 2005-2010 6.1L HEMI, and 2011 and Up 6.4L HEMI Engines
Description
High-Performance Intake Base. The Holley EFI Gen III HEMI Hi-Ram Intake Manifold Base is engineered for enthusiasts seeking maximum airflow and power from their 5.7L to 6.4L HEMI engines. It provides a strong foundation for naturally aspirated, forced induction, or nitrous applications, optimizing fuel delivery and air induction for high RPM performance.
Construction and Appearance. This manifold base is constructed from cast aluminum with a natural satin finish for durability and superior heat dissipation. Featuring large intake ports and precise machining, it supports high fuel flow and maintains pressure stability, all presented in an aggressive race-inspired design.
Installation. Installation requires moderate mechanical skill. The manifold is designed for high-performance applications without typical height limitations and is compatible with specified Gen III HEMI engines. Fitment may require attention to clearance and setup specifics.
Warranty. The intake manifold base includes a manufacturer’s limited 90-day warranty covering defects in materials and workmanship.
Application & Fitment. Specifically engineered to fit 2009 and up 5.7L HEMI, 2005-2010 6.1L HEMI, and 2011 and up 6.4L HEMI engines found in various Chrysler, Dodge, Jeep, and Ram vehicles. Proper fitment and compatibility should be confirmed for each specific vehicle and application.
Holley EFI 300-653
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Intake Manifold Base
4.3
Reviews of Holley EFI Intake Products (1)
Questions & Answers
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Will It Fit My Challenger
- 392 Hemi Scat Pack Shaker - 16
- R/T - 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
- R/T 392 - 17, 18, 19
- R/T Classic - 12
- R/T Plus - 15, 16
- R/T Plus Shaker - 16
- R/T Scat Pack - 16, 17, 18, 19, 20
- R/T Scat Pack Widebody - 19, 20
- R/T Shaker - 16
- Scat Pack - 15
- SRT 392 - 15, 16, 17, 18
- SRT8 - 08, 09, 10, 11, 12, 13, 14
- T/A - 17, 18
- T/A 392 - 17, 18
