Manley 29598X BBC 582 Rotating Assembly Kit 4.375" Stroke 4.600" Bore +43cc Dome

The Manley 29598X is a complete Big Block Chevy 582 CID rotating assembly kit built for serious high-performance and racing applications. Featuring a 4.375" stroke and 4.600" bore, this kit delivers the displacement and rotating mass needed to support extreme horsepower output in standard-deck BBC builds.

Key Features:

• 4340 Forged Steel Crankshaft — 4.375" stroke, engineered for strength and durability under high-RPM and high-boost conditions
• 4340 Forged Steel H-Beam Connecting Rods — 6.535" rod length with 7/16" ARP 8740 cap screws (rated to 900 hp); upgradeable to ARP 2000 cap screws for up to 1,500 hp
• 2618 Forged Aluminum Platinum Series Pistons — 4.600" bore diameter with +43cc dome, premium Chrome Moly wrist pins included
• Total Seal Piston Rings — included for a complete, ready-to-assemble rotating assembly
• Clevite "H" Series Rod Bearings and "P" or "H" Series Main Bearings — narrowed for high-performance clearance and oil flow
• 582 CID Displacement — achieved via 4.375" stroke x 4.600" bore combination on standard BBC architecture
• Compression Ratio: Approximately 13.50:1 with 124cc cylinder head
• Connecting Rod Part Number: 14066 | Crankshaft Part Number: 190320

Designed for standard-deck Big Block Chevy blocks with center counterweights, the Manley 29598X rotating assembly provides a fully matched, precision-engineered foundation for a 582 cubic inch big block build. Whether building a bracket racing engine or a high-output street machine, this kit delivers the durability and power potential demanded by serious engine builders.