Manley Performance

Manley 2011+ Chrysler/Dodge 6.4L Hemi w/ Triple Groove (1.654) Race Master Exhaust Valves (Set of 8) - 12331-8

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SKU:
MAN12331-8
UPC:
807298079288
MPN:
12331-8
Availability:
Regularly stocked product
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MSRP: $270.06
$202.55
— You save $67.51
Current Stock: 8

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Description

What vehicles are Manley Race Master Valves compatible with?
Manley Race Master Valves are designed for specific engine applications; confirm exact fitment with your vehicle's make, model, and year before installation.

Are Manley Race Master Valves easy to install?
Professional installation is strongly recommended for Manley Race Master Valves to ensure optimal performance and prevent damage.

Manley Race Master Valves deliver peak racing performance, scoring a perfect 10 for extreme heat resistance in competition. Featuring swirl-polished underhead areas and NK-842 intake material, these valves ensure unparalleled airflow and combustion efficiency. Trust Manley Performance for valves engineered to excel in the most demanding racing environments.

Key Features

  • swirl polished under head areas
  • fully machined combustion faces
  • XH-426 exhaust material
  • NK-842 intake material
  • chrome stems
  • hard tips

Why Choose the MAN Race Master Valves

Delivers smoother airflow for maximum power extraction.

Achieves a perfectly sealed combustion chamber for peak efficiency.

Provides extreme heat resistance for relentless racing performance.

Transforms engine reliability under the most demanding conditions.

Who Is This For?

Racing Competition — 10/10
XH-426 exhaust material for extreme heat resistance.

Track / Autocross — 9/10
Engineered for relentless racing performance.

Drag Racing — 9/10
Designed for high-performance racing applications.

Engine Performance — 9/10
Optimized combustion faces and materials enhance performance.

Street Performance — 7/10
While race-focused, offers performance benefits for street use.

Frequently Asked Questions

How do I ensure Manley Race Master Valves fit my vehicle?

Confirming proper vehicle fitment is crucial for optimal performance. Always confirm fitment with your specific vehicle application before purchase and installation, ensuring a precise match for your engine's requirements. This guarantees your engine is equipped with the intended high-performance components.

What level of technical skill is required to install Manley Race Master Valves?

Professional installation is recommended to achieve the full performance potential of these valves. Consulting a qualified technician ensures proper seating and sealing for maximum efficiency. This expert approach guarantees your engine operates at peak performance.

How do Manley Race Master Valves enhance engine performance in racing applications?

These valves deliver a score of 10 for Racing Competition, achieving a perfectly sealed combustion chamber for peak efficiency. Their advanced design and materials significantly boost engine reliability under the most demanding conditions. Experience the pinnacle of racing performance with these specialized valves.

Is upgrading to Manley Race Master Valves beneficial over stock components?

Upgrading provides a significant performance advantage by delivering smoother airflow for maximum power extraction. The fully machined combustion faces ensure a perfectly sealed combustion chamber for peak efficiency. This technical leap transforms engine reliability under the most demanding conditions.

What makes the Manley Race Master exhaust valves suitable for extreme heat conditions?

The Race Master exhaust valves feature XH-426 exhaust material, providing extreme heat resistance for relentless racing performance. This specialized alloy allows for a usage score of 10 in Racing Competition due to its superior thermal durability. Trust these valves for the most punishing racing environments.

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

Clearance Item:
N
MPN:
12331-8
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>Valves
Universal Fitment:
Y
Product Level:
Race Only
Racing Competition:
10/10
Track / Autocross:
9/10
Drag Racing:
9/10
Engine Performance:
9/10
Street Performance:
7/10
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