Manley Performance Race Master Intake Valves

2012–2014 Chrysler 300 6.4L 392 HEMI

Part #: 12332HB-8

Overview

Manley Performance Race Master Intake Valves are precision-engineered for the demanding Chrysler 6.4L 392 HEMI engines from 2012 to 2014. Designed with racers and high-performance enthusiasts in mind, these valves deliver reliable, race-ready valvetrain components built to withstand the rigors of bracket, drag, and oval track racing. Whether you are assembling a dedicated race engine or a high-revving street machine, these intake valves provide enhanced durability and consistent valve control for engines operating up to 8000 RPM.

With a focus on maximizing airflow and combustion efficiency, Manley’s Race Master valves help unlock the full potential of your 6.4L HEMI, supporting higher horsepower and torque outputs while maintaining long-term reliability under extreme conditions.

Key Features

Manley Race Master Intake Valves incorporate advanced materials and design features to optimize performance and longevity in high-stress racing environments. Key features include:

• High-strength, lightweight construction reduces valvetrain mass for improved engine response.
• 2.180-inch head diameter optimized for increased airflow and combustion efficiency in Chrysler 6.4L HEMI engines.
• Hollow stem design minimizes weight while maintaining strength, reducing valve float at high RPM.
• Precision ground and finished for exact fitment and smooth operation within factory cylinder heads.
• Specifically engineered for intake valve applications in 2012–2014 Chrysler 6.4L HEMI engines.
• Race Flo design enhances airflow dynamics to improve volumetric efficiency.
• Durable materials provide excellent heat resistance and strength for racing conditions.
• Compatible with OEM valve guides and seats designed for 2.180-inch intake valves.
• Ideal for engines operating up to 8000 RPM, suitable for bracket, drag, and oval track racing.

Construction & Design

These intake valves feature a hollow stem construction that significantly reduces reciprocating mass, enabling quicker valve response and reducing wear on valvetrain components. The 2.180-inch head diameter is carefully engineered to optimize airflow into the combustion chamber, supporting improved horsepower and torque.

Manley’s manufacturing process includes precision grinding and finishing to ensure tight tolerances and consistent performance. The valves are made from high-strength, heat-resistant materials that withstand the extreme stresses and temperatures encountered in racing engines, ensuring durability and reliability.

Installation & Fitment

Manley Race Master Intake Valves are designed as direct replacements for factory intake valves in 2012–2014 Chrysler 300 6.4L 392 HEMI engines. Installation follows standard engine assembly procedures and should be performed by experienced technicians to ensure proper valve seating and clearance. These valves are compatible with OEM valve guides and seats, requiring no modifications to the cylinder head or valvetrain in most cases.

This valve set is recommended for engines built or rebuilt for high-performance or racing applications, providing a reliable upgrade for enthusiasts seeking race-proven components.

What's Included

• Set of 8 Manley Race Master Intake Valves (2.180-inch head diameter, hollow stem)

Ideal For

This valve set is perfect for racers and performance enthusiasts who demand high-quality, durable valvetrain components for their Chrysler 6.4L HEMI engines. It is especially suited for:

• Bracket and drag racing engines
• Oval track race cars
• High-RPM street performance builds operating under 8000 RPM
• Engine builders seeking race-proven intake valves with enhanced airflow and durability

Manley Performance manufactures high-strength engine internals for serious builds—especially forged pistons, connecting rods, valves, and valvetrain components developed for racing and high-output street applications. If you’re building for boost, high compression, or sustained RPM, Manley is a common choice for parts engineered to take abuse and keep power reliable.