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SKU: 12330-8 | UPC: 807298079240
Manley 2011+ Chrysler Dodge 6.4L Hemi w/ Triple Groove (2.140) Race Flo Intake Valves (Set of 8)
Manley Race Flo intake valves deliver reliable performance for 2011 and newer Chrysler and Dodge vehicles with 6.4L Hemi engines including Challenger Charger and 300C models. This set of 8 features a 2.140 inch head diameter with triple groove design for secure spring retention in high RPM applications. Engineered specifically for bracket drag and oval track racing these valves handle operations up to 8000 RPM with consistent airflow and strength.
Key Features
- Race Flo Profile: Proprietary valve face and margin design enhances exhaust scavenging and intake flow for better power in racing engines
- Stainless Steel Construction: High grade 21-4N stainless material resists heat fatigue and wear during extended high RPM runs
- Precise Dimensions: 2.140 inch head diameter 4.880 inch overall length and 11/32 inch stem ensure drop-in compatibility with stock heads
- Triple Groove Tip: Accommodates beehive or dual springs with lash caps for stable valve train control at 8000 RPM
- Set of 8: Complete intake valve kit covers full V8 cylinder bank replacement in one package
Product Notes
- Intended for competition use only in unmodified or ported 6.4L Hemi cylinder heads
- Inspect valve seats and guides prior to installation for proper clearance
- Packaged in protective sleeves ships in compact box via ground service
Installation Notes
- Professional installation recommended.
- Valve job required to achieve proper 45 degree seat angle and margin depth
- Compatible with Manley beehive springs and retainers part numbers like 58615-16
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2011-2023 | Dodge | Challenger | SRT8 / 392 Hemi 6.4L |
| 2011-2023 | Dodge | Charger | SRT8 / 392 Hemi 6.4L |
| 2011-2023 | Chrysler | 300 | SRT8 6.4L |
| 2012-2021 | Jeep | Grand Cherokee | SRT 6.4L |
| 2018-2023 | Dodge | Durango | SRT 6.4L |
Why Choose Manley?
- Decades of experience supplying valves to professional racing teams worldwide
- CNC machined in USA for exact tolerances and consistent quality
- Proven durability in NHRA bracket racing and short track events
Frequently Asked Questions
-
Q: Does this fit 2015+ Hellcat models?
A: No these valves fit naturally aspirated 6.4L Hemi 392 engines Hellcat uses different 6.2L supercharged heads -
Q: What material are these valves made from?
A: 21-4N stainless steel provides excellent strength and heat resistance for racing up to 8000 RPM -
Q: Is there a warranty on these valves?
A: Manley offers a one-year warranty against manufacturing defects when installed by certified engine builders
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Manley branded box 6 x 4 x 2 inches
- Weight: 1.10 lbs
Manley Performance
Founded in 1966 by Hank Manley, Manley Performance Products has become one of the most respected names in high-performance engine components. Originally launched as Manley Speed Equipment, the company quickly earned a reputation for precision manufacturing, durability, and race-proven performance. From grassroots beginnings in New Jersey to global recognition in professional motorsports, Manley Performance continues to set the standard in high-performance automotive parts. Manley Performance Engine Parts Manley is known for manufacturing premium internal engine components designed for street, strip, and professional racing applications. Their product line includes: Manley stainless steel valves Manley forged pistons Manley connecting rods (H-Beam, I-Beam, Turbo Tuff, Pro Series) Manley camshafts Manley crankshafts Manley valvetrain components Valve springs, retainers, and hardware Every Manley component is engineered with strict quality control and race-driven innov...
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