Eagle 11813060 Competition Rotating Assembly CID Big Block Chevy - 496

The Eagle 11813060 is a complete competition-grade rotating assembly designed for 496 cubic inch big block Chevrolet engines with 1-piece rear main seal blocks. This comprehensive kit delivers exceptional strength and reliability for all forms of racing use, including nitrous oxide and forced-induction applications.

Complete Kit Includes:

• Forged 4340 steel crankshaft with 4.250" stroke for maximum strength and durability
• 6.800" H-Beam connecting rods manufactured from 4340 steel
• 7/16" ARP 8740 rod bolts for superior clamping force
• Forged 2618 aluminum Mahle pistons with 43cc dome, 4.310" bore
• Plasma-moly file-fit piston rings (1.5mm, 1.5mm, 3.0mm)
• King XP performance rod and main bearings

Key Specifications:

• Displacement: 496 cubic inches
• Bore: 4.310 inches
• Stroke: 4.250 inches
• Rod Length: 6.800 inches
• Piston Pin Height: 1.270 inches
• Piston Pin Diameter: 0.990 inches
• Application: Chevrolet 454 with 10.2" deck height, 1-piece rear seal

This assembly ships unbalanced and must be balanced by a qualified machine shop before installation. Designed specifically for high-performance racing applications where maximum reliability and strength are essential. The forged 4340 crankshaft and H-beam rods provide the foundation for serious power builds, while the 2618 forged pistons offer superior strength for high-boost and nitrous applications.