Eagle 128264030 Competition Rotating Assembly Stroker Kit - LS2 408ci

The Eagle 128264030 is a complete competition-grade rotating assembly designed for LS2 engines, delivering 408 cubic inches of displacement through a proven 4.000-inch stroke configuration. This stroker kit is engineered for high-performance applications including nitrous oxide, forced induction, and naturally aspirated racing engines.

Complete Assembly Includes:

• Forged 4340 steel crankshaft with 4.000-inch stroke and 24-tooth reluctor
• 6.125-inch H-beam connecting rods constructed from forged 4340 steel
• 7/16-inch ARP 8740 rod bolts for exceptional clamping force
• Forged 2618 aluminum Arias flat-top pistons with -3.1cc dome volume and 4.030-inch bore
• Plasma-moly file-fit piston rings for optimal sealing
• King XP series rod and main bearings

Technical Specifications:

• Displacement: 408 cubic inches
• Stroke: 4.000 inches
• Bore: 4.030 inches
• Rod Length: 6.125 inches
• Compression: -3.1cc flat top piston design

Eagle Specialty Products manufactures this assembly using state-of-the-art equipment and precision machining processes. The forged 4340 steel components undergo proprietary heat treatment for superior strength, while the crankshaft features non-twist forging, chamfered oil holes, and precision-ground journals micro-polished to less than 5 R.A. for reduced friction and improved durability.

Important: This assembly must be balanced by a qualified machine shop before installation and use.