Eagle 4340 Forged Crankshaft 4.500 Stroke — Fits Mopar RB-Series & 426 Hemi

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Ultimate Strength for Mopar Performance

Unlock superior durability for your Mopar RB-Series or 426 Hemi engine with the Eagle 4340 Forged Steel Crankshaft. Engineered for high-horsepower applications, this 4.500-inch stroke crankshaft is precision-machined to withstand the extreme stresses of racing and high-performance street use. Its forged construction offers significantly higher fatigue resistance compared to cast alternatives, ensuring your rotating assembly remains reliable under load.

Key Technical Specifications

• Material: 4340 Forged Steel for maximum strength
• Stroke: 4.500 inches
• Balance: Internal balance design
• Seal Type: 2-Piece rear main seal
• Flange: 8-Bolt pattern for high-torque applications
• Application: Mopar RB-Series and 426 Hemi engines

This crankshaft is designed for builders who demand precision and longevity. The internal balance configuration reduces vibration and stress on engine bearings, promoting a smoother power delivery throughout the RPM range. Whether you are building a drag strip monster or a high-output street machine, this Eagle crankshaft provides the structural foundation required for consistent performance. The 8-bolt flange ensures a secure connection to your flywheel or flexplate, preventing common failure points found in lower-grade components. Experience the difference that professional-grade metallurgy makes in your engine build. Find all your essential engine internals and rotating assembly components right here at GGCRACING.