Manley 29516H Big Block Chevy 516ci Rotating Assembly Kit 4.000" Stroke 4.530" Bore

The Manley 29516H is a complete rotating assembly kit designed for big block Chevy engines, delivering 516 cubic inches of displacement with a 4.000-inch stroke and 4.530-inch bore configuration. This comprehensive kit is engineered for high-performance street and racing applications requiring exceptional strength and durability.

Complete Assembly Kit Includes:

• 4340 forged steel crankshaft with 4.000-inch stroke
• 4340 forged steel H-beam connecting rods with 7/16-inch ARP 8740 cap screws
• 2618 forged aluminum Platinum Series pistons with +2cc dish volume
• Premium chromoly wrist pins
• Total Seal high-performance piston rings
• Clevite "H" Series narrowed rod bearings
• Clevite "H" Series main bearings

Performance Specifications:

• Displacement: 516 cubic inches (8.4L)
• Bore: 4.530 inches
• Stroke: 4.000 inches
• Horsepower rating: 900 HP with standard ARP 8740 cap screws (up to 1,500 HP with optional ARP 2000 upgrade)
• Designed for standard deck big block Chevy engines
• 2-piece rear main seal style

Manley rotating assemblies are built to exacting tolerances using premium materials throughout. The lightweight 4340 forged crankshaft features gun-drilled mains, fully profiled counterweights, and micro-polished journals for reduced friction. The forged H-beam connecting rods provide exceptional strength-to-weight ratio, while the 2618 aluminum pistons offer superior durability under high-temperature and high-boost conditions.

Important Notes:

• This assembly is unbalanced and requires professional balancing before installation
• Designed for standard deck height big block Chevy blocks
• Not recommended for use with highly boosted roots-style cog belt superchargers

Whether you're building a high-horsepower street machine or a dedicated race engine, the Manley 29516H rotating assembly provides the foundation for reliable power production. Each component is manufactured to Manley's strict quality standards, ensuring proper fitment and long-term durability in demanding applications.