Eagle B11321L060 Competition Rotating Assembly Chevy Big Block - 454

The Eagle B11321L060 Competition Rotating Assembly delivers ultimate reliability and strength for the most demanding big block Chevy applications. This complete balanced assembly is engineered for high-performance racing, including nitrous oxide and forced-induction builds.

Complete Assembly Includes:

• Forged 4340 steel crankshaft with center counterweights for stability at high RPM
• Eagle H-Beam connecting rods with ARP 2000 fasteners
• Forged aluminum pistons (SRP or Mahle)
• Premium piston rings (Hastings)
• High-performance rod and main bearings (Clevite or King)

Key Features:

• Pre-balanced assembly - ready to install with no additional balancing required
• Forged 4340 crankshaft features non-twist forging and multi-stage heat treatment
• Chamfered oil holes for improved lubrication
• .125" fillet radiuses for superior strength (chamfered bearings required)
• Precision-ground and micro-polished journals to less than 5 R.A.
• X-rayed, magnafluxed, and sonic-tested for quality assurance
• Rated to support up to 1,500 horsepower
• Designed for internal balance configuration

This competition-grade rotating assembly is perfect for all forms of racing use and provides an affordable solution for builders demanding maximum performance and durability from their big block Chevy engine.