Manley Performance 4340 Forged Crankshaft with 32 Tooth Reluctor Wheel

Chrysler 5.7L / 6.1L HEMI V8 Engines

191832

Overview:

The Manley Performance 4340 Forged Crankshaft is engineered specifically for Chrysler 5.7L and 6.1L HEMI V8 engines, delivering a robust foundation for high-performance builds. Crafted from premium 4340 alloy steel, this crankshaft is designed to withstand the rigors of increased power and torque demands, making it an ideal upgrade for enthusiasts seeking enhanced engine durability and reliability.

Whether you are building a street performance engine, a track-ready powerplant, or a high-output daily driver, this forged crankshaft offers the strength and precision needed to support your goals. The integrated 32 tooth reluctor wheel ensures compatibility with factory ignition and timing systems, maintaining seamless operation without additional modifications.

Key Features:

This Manley forged crankshaft combines advanced materials and design to provide a dependable upgrade for domestic V8 applications:

• Constructed from high-strength 4340 alloy steel for superior toughness and fatigue resistance.
• Forged manufacturing process enhances grain structure for improved durability under high stress.
• Designed with a 4.050" stroke to match or upgrade factory specifications for Chrysler 5.7L and 6.1L HEMI engines.
• Includes a 32 tooth reluctor wheel for precise crank position sensing and ignition timing compatibility.
• Precision machined journals and bearing surfaces ensure optimal fitment and smooth engine operation.
• Compatible with a wide range of domestic engine builds, supporting both street and performance applications.
• Ideal for engine builders looking to increase strength and reliability without sacrificing OEM integration.

Construction & Design:

The crankshaft is meticulously forged from 4340 alloy steel, a material known for its excellent tensile strength and resistance to wear. This forging process refines the metal’s grain structure, resulting in a component that can endure the high loads and stresses typical of performance engines.

Manley’s precision machining ensures that all bearing journals and surfaces meet tight tolerances, promoting smooth rotation and minimizing friction. The integrated 32 tooth reluctor wheel is factory-style, allowing for direct replacement without the need for aftermarket sensors or timing adjustments.

Installation & Fitment:

This crankshaft is designed as a direct fit replacement for Chrysler 5.7L and 6.1L HEMI engines, allowing for straightforward installation using existing engine components. It maintains OEM mounting points and sensor compatibility, reducing the need for additional modifications or custom tuning.

• Direct bolt-in replacement for compatible Chrysler HEMI engines.
• Maintains factory reluctor wheel sensor interface for seamless ignition timing.
• No cutting, drilling, or special tuning is required for installation.

What's Included:

• One Manley 4340 forged crankshaft with 4.050" stroke
• Integrated 32 tooth reluctor wheel

Ideal For:

This forged crankshaft is perfect for engine builders and performance enthusiasts who want to upgrade the bottom end of their Chrysler 5.7L or 6.1L HEMI engines. It suits applications ranging from high-performance street vehicles to track cars requiring enhanced strength and reliability under increased power levels.

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.