Eagle Competition Rotating Assembly Kit

Fits Chrysler, Dodge, Jeep, Ram 5.7L Hemi, 6.1L SRT8, 6.4L 392, 6.2L Hellcat & Trackhawk Engines

231123927

Overview:

The Eagle Competition Rotating Assembly Kit is engineered to deliver reliable, high-performance rotating components for a wide range of Chrysler, Dodge, Jeep, and Ram Hemi engines, including the 5.7L, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat & Trackhawk variants. Designed for enthusiasts and professional builders alike, this kit provides a robust foundation for engine builds requiring durable forged internals and precise fitment. Whether upgrading for street performance or track applications, this assembly offers the essential components needed to enhance engine strength and longevity.

Built to accommodate a 6.4L/392 cubic inch displacement with a 1-piece rear main seal style, this kit is optimized for use with a 32-tooth reluctor wheel, ensuring compatibility with modern ignition and timing systems. It is ideal for those seeking a quality rotating assembly without the need for additional balancing or machining.

Key Features:

This rotating assembly kit combines premium materials and precise engineering to meet the demands of high-performance Hemi engines. Key features include:

• Forged 4340 steel crankshaft for exceptional strength and durability
• Forged aluminum pistons with a dished design and two valve reliefs, featuring +6.30cc piston head volume for optimized combustion chamber dynamics
• H-beam forged 4340 steel connecting rods with a 6.125-inch center-to-center length for superior rigidity and reduced flex
• Plasmamoly piston rings included, sized at 0.010-inch oversize for enhanced sealing and wear resistance
• Stock size rod and main bearings included for straightforward installation without the need for resizing
• Designed specifically for a 1-piece rear main seal configuration
• Compatible with 32-tooth reluctor wheels for accurate engine management system integration
• Precision machined bore diameter of 3.927 inches (99.746 mm) and stroke of 4.050 inches for a true 6.4L displacement

Construction & Design:

The Eagle Competition Rotating Assembly Kit is crafted from high-quality materials to ensure durability and performance under demanding conditions. The crankshaft and connecting rods are forged from 4340 steel, a material known for its excellent tensile strength and fatigue resistance, making them ideal for high-RPM and high-load applications. The pistons are forged aluminum, providing a lightweight yet strong component that helps reduce reciprocating mass and improve throttle response.

The pistons feature a dished crown with two valve reliefs, allowing for proper valve clearance and optimized combustion chamber shape. The use of plasmamoly piston rings enhances wear resistance and maintains a tight seal for improved compression and oil control. This assembly is precision machined to exact tolerances, ensuring a reliable fit and smooth operation within the engine block.

Installation & Fitment:

This rotating assembly kit is designed for direct fitment in most Chrysler, Dodge, Jeep, and Ram Hemi engines ranging from 5.7L to 6.4L, including the 6.1L SRT8, 6.4L 392, and 6.2L Hellcat & Trackhawk models. Installation requires standard engine assembly procedures and is intended for builders familiar with rotating assembly installation. Note that this kit does not include camshaft, lifters, timing components, gaskets, or oil pump, so those items must be sourced separately.

The kit is not balanced, so engine builders should plan for balancing if required by their specific build. It is optimized for use with a 32-tooth reluctor wheel and a 1-piece rear main seal setup, ensuring compatibility with modern ignition and timing systems.

What's Included:

• Forged 4340 steel crankshaft
• Forged aluminum pistons (with two valve reliefs)
• Forged 4340 steel H-beam connecting rods (6.125-inch center-to-center)
• Piston rings (plasmamoly, 0.010-inch oversize)
• Rod bearings (stock size)
• Main bearings (stock size)

Ideal For:

This rotating assembly kit is ideal for engine builders and performance enthusiasts upgrading or rebuilding Chrysler, Dodge, Jeep, and Ram Hemi engines who require durable, forged internals capable of handling increased power and RPM. It suits applications ranging from street performance to moderate racing builds where reliability and strength are paramount. The kit is especially beneficial for those building 6.4L 392 or Hellcat-based engines seeking a quality foundation for their powertrain.

Eagle Specialty Products manufactures high-strength engine components—most notably connecting rods and crankshafts—intended for performance and racing engines. These rotating-assembly upgrades are commonly used in builds that demand higher strength margins for boost, nitrous, sustained RPM, or competition use.