Manley 29582RHXX BBC 582 Rotating Assembly Kit 4.375 Stroke 4.600 Bore 43cc Dome

The Manley 29582RHXX is a complete Big Block Chevy 582 cubic inch rotating assembly kit featuring a 4.375-inch stroke and 4.600-inch bore with +43cc dome pistons. Engineered for serious high-performance street and race applications, this all-Manley rotating assembly delivers the displacement, strength, and precision needed to build a reliable, power-dense big block Chevy engine.

Kit Components:

• Crankshaft: Manley 4340 forged steel crankshaft — 4.375-inch stroke
• Connecting Rods: Manley 6.535-inch H-beam forged connecting rods
• Pistons: Manley forged dome pistons — +43cc dome, 4.600-inch bore
• Rod and main bearings included

Key Specifications:

• Engine Family: Big Block Chevrolet (BBC)
• Displacement: 582 cubic inches
• Stroke: 4.375 inches
• Bore: 4.600 inches
• Piston Style: +43cc Dome
• Connecting Rod Length: 6.535 inches (H-Beam)
• Crankshaft Material: 4340 Forged Steel
• Deck Height: 9.800 inches

The "XX" suffix in the part number designates an upgraded or extended specification variant within Manley's BBC 582 kit lineup, typically indicating enhanced rod or piston specifications. This kit is purpose-built for builders seeking maximum displacement and compression in a Big Block Chevy platform, whether for drag racing, oval track, or high-performance street use.

Manley Performance has been manufacturing precision engine components since 1966, and their rotating assemblies are trusted by professional engine builders worldwide for consistency, strength, and long-term durability under demanding conditions.