Installation Time
(approx) 3 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Holley EFI Gen III HEMI Hi-Ram EFI Intake Manifold with 105mm LS Throttle Body Mount (08-20 5.7L HEMI, 6.1L HEMI, 6.4L HEMI Challenger)Find parts that fit my vehicle
Item CH23422
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- _x000D_
- Gen III Hemi EFI For Use With 105 Mm LS Style Throttle Body _x000D_
- Fits 2009-Up 5.7L, 2005-2010 6.1L, And 2011-Up 6.4L Engines _x000D_
- Intended For Naturally Aspirated, Forced Induction, Or Nitrous Engines In The 5.7 To 7.2+ Liter Range _x000D_
- Max Power Achieved At 7500-8500 RPM _x000D_
- Modular Base Accepts A Wide Range Of EFI Tops For Custom Induction Systems _x000D_
- Runner Length And Tapered Cross-Section Designed For Diverse Engine Configurations _x000D_
- EFI Fuel Rails Machined For -8AN O-Ring Fittings With High Flow Passages _x000D_
- Large Intake Ports Provide Excellent Potential For Naturally Aspirated And Forced Induction Applications _x000D_
- Cast-In Pads For Adding Nitrous Nozzles _x000D_
- Cast Aluminum Construction With Satin Or Black Finish _x000D_
- Billet Oil Fill Cap With Low Profile Design _x000D_
- Compatible With Gen III Hemi Injectors And Bosch EV-1 Style Injectors _x000D_
- Positive Crankcase Ventilation Ports With Adapter Fittings _x000D_
- Includes EFI Fuel Rails With -8 AN O-Ring Fittings And Pressure Dampening Passages _x000D_
- Port For OE Style Manifold Absolute Pressure Sensor (1 Or 2 Bar) _x000D_
- Overall Height Of 11.59 Inches _x000D_
- Fits Gen III Hemi Engines With Large Intake Ports (1.70” Height X 1.88” Width) _x000D_
- Includes Gasket And Throttle Body Gasket _x000D_
- Throttle Body Bore Diameter Of 105 Mm _x000D_
- Single Plane Design With 6.65 Inch Runner Length _x000D_
- Vacuum Ports Include (2) 3/8" NPT And (1) 1/4" NPT _x000D_
- O-Ring Seal To Head With Easy Replacement Large Retained O-Rings _x000D_
- Removable Top/Lid For Service _x000D_
- Fits 2008-2020 5.7L HEMI, 6.1L HEMI, 6.4L HEMI Challenger _x000D_
Description
High-Performance Intake Manifold. The Holley EFI Gen III HEMI Hi-Ram EFI Intake Manifold with 105mm LS Throttle Body Mount is engineered to boost power delivery across naturally aspirated, forced induction, and nitrous systems. Designed for efficient airflow throughout a broad RPM range and various engine configurations, it is essential for optimizing performance on Gen III HEMI engines.
_x000D__x000D_Construction and Appearance. Fabricated from cast aluminum, the manifold offers strength and corrosion resistance with a durable satin or black finish. Its large intake ports and modular base support customization, and the assembly includes precision-machined fuel rails with -8AN O-ring fittings to guarantee high fuel flow and system stability.
_x000D__x000D_Installation. The manifold installs with standard mechanical skills; no drilling or modifications to cylinder heads or intake tract are required. O-ring seals and included gaskets simplify mounting, ensuring a secure and leak-free fit.
_x000D__x000D_Warranty. This intake manifold is backed by a limited 90-day manufacturer’s warranty.
_x000D__x000D_Application. Specifically designed for 2008-2020 5.7L HEMI, 6.1L HEMI, and 6.4L HEMI Challenger engines, the Hi-Ram intake manifold fits the large-port designs standard to these models, delivering optimized performance without compatibility concerns.
Holley EFI 300-651
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
- (1) Body Mount
- (1) Hardware Installation Kit
Tech Specs
4.0
Customer Reviews (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
