Eagle B13051L06053 Chevy Small Block 350 Balanced Rotating Assembly Kit

The Eagle B13051L06053 is a factory-balanced Street and Strip rotating assembly designed for 1986-and-newer Chevy small block 350 engines with 1-piece rear main seals. This kit offers affordable performance and reliability for engines producing under 500 horsepower, making it ideal for street performance and mild racing applications.

Complete Kit Includes:

• Eagle cast steel crankshaft with 3.480-inch stroke
• Eagle "SIR" forged I-beam connecting rods with 5.700-inch length
• KB hypereutectic aluminum pistons sized for 4.060-inch bore (.060" oversize)
• Hastings piston rings
• Clevite or King rod and main bearings
• 153-tooth automatic transmission flexplate

Key Features:

• Factory-balanced by Eagle—requires no additional balancing before installation
• Internal balance configuration
• Displaces approximately 355 cubic inches at .030" overbore, 360 ci at .060" overbore
• Compatible with factory internal balance damper and flywheel/flexplate

This assembly is engineered with certified steel components and manufactured using multi-stage heat treating, sonic testing, and magna-fluxing to ensure reliability and durability. Perfect for engine rebuilds, performance upgrades, or stroker conversions on small block Chevy 305, 350, LT1, and Vortec engines.