Eagle Competition Rotating Assembly Kit

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

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Overview:

The Eagle Competition Rotating Assembly Kit is engineered for high-performance enthusiasts seeking a reliable and durable rotating assembly upgrade for their Chrysler, Dodge, Jeep, or Ram vehicles equipped with 5.7L to 6.4L Hemi engines. Designed to handle increased power and demanding conditions, this kit provides a solid foundation for engine builds, rebuilds, or upgrades. It is ideal for those who want to enhance engine strength and longevity without compromising factory fitment.

This kit is tailored for engines including the 5.7L Hemi, 6.1L SRT8, 6.4L 392, and the high-output 6.2L Hellcat and Trackhawk variants, ensuring compatibility across a broad range of popular Mopar performance platforms.

Key Features:

Built with precision and quality materials, the Eagle Competition Rotating Assembly Kit offers the following key features:

• Forged 4340 steel crankshaft for superior strength and durability
• Forged 4340 steel H-beam connecting rods, 6.125 inches center to center
• Forged aluminum pistons with a dished design and two valve reliefs for optimal combustion chamber clearance
• Pistons and rings oversized by 0.030 inches (0.760 mm) for precision bore fitment
• Plasmamoly piston ring facing material for enhanced wear resistance and sealing
• Floating wrist pins for reduced friction and improved piston articulation
• Complete set of rod and main bearings included at stock undersize dimensions
• Designed for use with a 58-tooth reluctor wheel, ensuring compatibility with factory ignition systems
• Includes piston rings and all necessary rotating assembly components except camshaft, lifters, and timing components

Construction & Design:

The rotating assembly is meticulously crafted using premium forged materials to withstand the rigors of high-performance applications. The crankshaft and connecting rods are forged from 4340 steel, a material known for its exceptional tensile strength and fatigue resistance, making them ideal for engines subjected to increased horsepower and torque.

Forged aluminum pistons feature a dished crown with two valve reliefs, providing adequate clearance for high-lift camshafts and aggressive valve timing. The plasmamoly ring material enhances durability and maintains a tight seal under extreme conditions. The assembly is balanced internally to ensure smooth operation and reduce vibration, although this particular kit is not externally balanced.

Installation & Fitment:

This rotating assembly kit is designed as a direct fit for most Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat or Trackhawk engines. Installation requires standard engine rebuild procedures and should be performed by a qualified technician to ensure proper clearances and torque specifications.

Note that this kit does not include a harmonic balancer, flexplate, flywheel, camshaft, lifters, timing chain, gears, gaskets, or oil pump, so these components must be sourced separately. It is also designed for use with a 58-tooth reluctor wheel, so verify compatibility with your vehicle’s ignition system before installation.

What's Included:

• Forged 4340 steel crankshaft
• Forged 4340 steel H-beam connecting rods (6.125" center to center)
• Forged aluminum pistons with two valve reliefs
• Piston rings with plasmamoly facing
• Rod bearings (stock undersize)
• Main bearings (stock undersize)

Ideal For:

This kit is perfect for engine builders, performance enthusiasts, and professional shops looking to upgrade or rebuild Mopar Hemi engines with a reliable, high-quality rotating assembly. It suits applications ranging from street performance to moderate racing builds where durability and OEM-style fitment are critical.

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.