Eagle 11921L4560 Competition Rotating Assembly Kit Big Block Chevy 4.560 Bore

The Eagle 11921L4560 is a premium competition-grade rotating assembly designed for high-performance big block Chevy engines. This complete rotating assembly kit delivers the strength and reliability needed for demanding racing and high-horsepower street applications.

Key Features:

• 4.500" forged 4340 steel crankshaft with superior strength and durability
• 6.660" forged H-beam connecting rods for excellent power handling
• 7/16" ARP 8740 chromoly bolts for secure rod cap retention
• Forged 4032 Mahle pistons with 13cc dome design at 4.560" bore diameter
• Plasma-moly piston rings for exceptional seal and reduced friction
• Complete bearing set for crankshaft main and rod journals
• Precision-balanced assembly ready for installation

This competition rotating assembly is engineered for engines producing over 500 horsepower and is ideal for street/strip applications, blown engines, and nitrous oxide systems. Eagle's forged 4340 crankshafts feature improved fillet radiuses and superior surface finish compared to stock components, ensuring better oil flow and reduced wear. All Eagle rotating assemblies are assembled with quality components to deliver maximum performance and longevity.