Eagle 128354155 LS Competition Rotating Assembly Stroker Kit 4.125" Stroke 4.155" Bore 441ci

The Eagle 128354155 Competition Rotating Assembly is a complete high-performance stroker kit designed for LS7 and LSX engine builds. This premium assembly delivers 441 cubic inches of displacement with a 4.125-inch stroke and 4.155-inch bore configuration, making it ideal for serious racing and high-horsepower street applications.

Key Features:

• Forged 4340 steel crankshaft with 4.125-inch stroke for maximum strength and durability
• 58-tooth reluctor wheel for modern EFI applications
• Forged 4340 steel H-beam connecting rods with 6.125-inch center-to-center length
• 7/16-inch ARP 8740 rod bolts rated at 190,000 psi tensile strength
• Forged 2618 aluminum CP pistons with 5cc dome design for optimal compression
• Hastings piston rings for reliable sealing
• High-performance Clevite or King engine bearings included

Eagle Competition Rotating Assemblies are engineered for demanding racing applications, combining premium materials with precision manufacturing. This complete kit includes the crankshaft, connecting rods, pistons, rings, and bearings needed for a professional engine build. Designed for internal balance configuration. Professional balancing and machine shop inspection recommended before installation.