Eagle 129554075 Competition Rotating Assembly Stroker Kit - LS3 376-430

The Eagle 129554075 Competition Rotating Assembly is a complete stroker kit designed to transform your Chevy LS3 376 cubic inch engine into a powerful 430 cubic inch powerplant. This comprehensive kit includes everything needed for a complete rotating assembly upgrade, engineered for serious performance applications.

Key Components:

• Forged 4340 steel crankshaft with 4.125-inch stroke and 24-tooth reluctor
• Forged 4340 H-beam connecting rods, 6.125-inch length
• 7/16-inch ARP 8740 rod bolts for maximum strength
• Forged 2618 aluminum Mahle pistons with -20cc inverted dome design
• Premium piston rings matched to application
• King or Clevite main and rod bearings

Performance Features:

• 4.075-inch bore specification for precise fitment
• Test-fitted in-house by Eagle for proper clearances
• Center-counterweighted crankshaft design
• Shot-peened and stress-relieved components
• Designed for high-horsepower forced induction and nitrous applications

This Competition Series rotating assembly utilizes Eagle's premium forged components throughout, providing the strength and durability required for racing engines and extreme street performance builds. The forged 4340 steel crankshaft and H-beam rods offer superior strength compared to stock components, while the 2618 forged pistons are engineered to withstand high cylinder pressures and extreme temperatures. Perfect for builders looking to maximize displacement and power output from their LS3 engine platform.