Manley 28632R Big Block Chevy Rotating Assembly Stroke Bore - 632 4.750 4.600

The Manley 28632R is a complete rotating assembly engineered for Big Block Chevy 632 cubic inch engines, featuring a 4.750-inch stroke and 4.600-inch bore configuration with a -3cc flat top piston design. This precision-balanced assembly is designed for serious performance enthusiasts building high-horsepower street and strip engines.

Complete Assembly Includes:

• 4340 forged steel crankshaft with 4.750-inch stroke for maximum durability
• 4340 forged steel H-beam connecting rods with 7/16-inch ARP 8740 cap screws (900 hp rating, optional ARP 2000 upgrade available for 1,500 hp applications)
• 2618 forged aluminum Platinum Series pistons with -3cc flat top design for 4.600-inch bore
• Premium chromoly wrist pins for reduced friction and wear
• Total Seal piston rings for superior sealing and reduced blowby
• Clevite "H" Series narrowed rod bearings and "P" or "H" Series main bearings

Key Features:

• Precision internally balanced by Manley for smooth operation
• 2-piece rear main seal design
• Actual displacement: 632 cubic inches (10.3 liters)
• Complete rotating assembly ready for installation
• Designed for extreme cylinder pressures and high-RPM operation

This rotating assembly provides a solid foundation for building reliable high-horsepower big block Chevy engines. The 4340 forged steel components and 2618 aluminum pistons offer exceptional strength and thermal stability for demanding power-adder applications including superchargers, turbochargers, and nitrous oxide systems.