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SKU: 12330B-8 | UPC: 807298079264
Manley Chrysler Hemi 6.4L (2.140) Race Flo Intake Valve (Set of 8) 2009-2023
Manley Race Flo intake valves deliver reliable performance for Chrysler Hemi 6.4L and 6.1L engines in Dodge Challenger Charger Jeep Grand Cherokee and Chrysler 300 models from 2009-2023. This set of 8 valves features a 2.140 inch head diameter and hollow stem construction to support high RPM operation up to 8000 in bracket drag and oval track racing. Engineered for direct replacement in stock or ported cylinder heads these valves improve airflow and durability under extreme conditions.
Key Features
- Hollow Stem Race Flo Design: Reduces valve weight by up to 30 percent while enhancing heat dissipation for sustained high RPM performance
- 2.140 Inch Head Diameter: Matches OEM specs for 6.4L Hemi heads with swirl polished finish to boost intake flow efficiency
- 4.880 Inch Valve Length: Ensures precise fit in Gen III Hemi cylinder heads with calculated stem height of 1.915 inches
- 0.341 Inch (11/32) Stem Diameter: Provides strength and compatibility with standard valve guides and seals
- Stainless Steel Construction: Offers corrosion resistance and fatigue strength for long term racing reliability
Product Notes
- Inspect cylinder heads for proper valve seat width and angle before installation
- Apply assembly lube to stems during install and break in engine with correct oil
- Packed in protective foam lined box for secure transit
Installation Notes
- Professional installation recommended.
- Pair with high performance valve springs rated for 8000 RPM such as Manley 29403-16
- Compatible with stock bronze guides or Manley stainless guides no special hardware required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2009-2010 | Dodge | Challenger | SRT8 6.1L |
| 2011-2023 | Dodge | Challenger | SRT8 6.4L |
| 2011-2023 | Dodge | Charger | SRT8 6.4L |
| 2012-2023 | Chrysler | 300 | SRT8 6.4L |
| 2012-2021 | Jeep | Grand Cherokee | SRT8 6.4L |
| 2009-2010 | Dodge | Charger | SRT8 6.1L |
Why Choose Manley?
- Proven in NHRA IHRA and World of Outlaws racing applications
- Made in USA with tight tolerances exceeding OEM standards
- Backed by engineering focused on high volume airflow and valvetrain stability
Frequently Asked Questions
-
Q: Does this fit 6.1L and 6.4L Hemi engines?
A: Yes fits 2009-2010 6.1L SRT8 and 2011-2023 6.4L Apache Hemi engines in listed Dodge Chrysler Jeep models with matching 2.140 inch intake ports -
Q: What material are these valves?
A: High grade stainless steel with proprietary Race Flo hollow stem for lightweight strength and superior cooling compared to solid stem valves -
Q: What is the warranty and install process?
A: Manley offers limited warranty against defects pair with proper springs guides and professional machining for best results
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Foam protected box 11.25 x 5.38 x 1.88 inches
- Weight: 1.80 lbs
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