Eagle B357544625 BBC Tall Deck 621 Stroker Balanced Rotating Assembly

The Eagle B357544625 is a premium heavy-duty balanced rotating assembly designed for Chevy Big Block tall deck engines, capable of building displacements from 502 to 621 cubic inches. This complete stroker kit delivers the foundation for serious big-block power with professional-grade components throughout.

Key Components:

• Crankshaft: Forged 4340 steel with 4.625" stroke and center counterweights for maximum strength and durability
• Connecting Rods: 6.800" H-beam rods with 7/16" ARP L19 bolts for superior clamping force
• Pistons: Forged 2618 aluminum JE pistons with 49cc dome, 4.625" bore
• Piston Rings: Plasma-moly file-fit rings for optimal sealing and reduced friction
• Bearings: King XP performance rod and main bearings

Complete Balanced Assembly: This kit comes fully balanced from Eagle, eliminating the need for additional balancing work. The center-counterweighted crankshaft design provides superior internal balance for high-RPM stability and reduced vibration.

Performance Features:

• Forged 4340 steel crankshaft for maximum strength in high-horsepower applications
• H-beam connecting rods provide excellent strength-to-weight ratio
• ARP L19 bolts offer superior clamping force over standard ARP 2000 bolts
• Forged 2618 aluminum pistons handle extreme cylinder pressures and temperatures
• Plasma-moly rings provide excellent wear characteristics and oil control
• King XP bearings feature advanced tri-metal construction

This rotating assembly is ideal for high-performance street/strip applications, bracket racing, or marine use where a tall deck BBC block is required. The 4.625" stroke combined with 4.625" bore creates 621 cubic inches of displacement, perfect for big power naturally aspirated or forced induction builds.

Applications: Chevrolet Big Block tall deck engines (9.800" deck height), including aftermarket blocks designed for large displacement stroker builds.