Eagle B12311000 Competition Rotating Assembly Small Block Chevy 350 Balanced Kit

The Eagle B12311000 is a complete competition-grade rotating assembly designed for high-performance Small Block Chevrolet 350 engines with 2-piece rear main seal. This balanced assembly is engineered for racing applications including nitrous oxide and forced-induction systems.

Complete Assembly Includes:

• Forged 4340 steel crankshaft with 3.480" stroke and 350 main journals
• Eagle H-beam connecting rods, 6.000" center-to-center length
• 7/16" ARP 8740 rod bolts for maximum strength and reliability
• Forged 4032 aluminum Icon flat top pistons, 4.000" bore, -3.7cc volume
• Plasma-moly standard gap piston rings
• King XP series rod and main bearings

Key Features:

• Factory balanced by Eagle - ready to install with no additional balancing required
• Produces 350 cubic inches displacement at 4.000" bore
• Competition-grade components suitable for high-horsepower builds
• Forged crankshaft provides superior strength over cast units
• H-beam rods offer excellent strength-to-weight ratio
• Compatible with 2-piece rear main seal applications

This premium rotating assembly delivers the durability and performance required for demanding racing environments while maintaining excellent value. Ideal for street/strip applications, road racing, and boosted combinations.