Eagle B182144125 Street & Strip Rotating Assembly BBC 454 4.000" Stroke 4.125" Bore

The Eagle B182144125 is a complete balanced rotating assembly designed for Big Block Chevy 454 street and strip applications. This assembly is factory balanced and ready to install, eliminating the need for additional machine shop balancing work.

Kit Includes:

• Balanced 4.000" cast steel crankshaft with .092" fillet radiuses for improved strength
• 6.135" Eagle SIR I-Beam forged steel connecting rods
• 7/16" ARP 8740 capscrew rod bolts
• Keith Black hypereutectic pistons with 17cc closed chamber dome design at 4.125" bore
• Plasma-moly piston rings
• King SI series rod and main bearings

Key Specifications:

• Stroke: 4.000 inches
• Bore: 4.125 inches
• Rod Length: 6.135 inches (center-to-center)
• Rod Journal: Standard BBC size
• Balance: Factory balanced ("B" designation)

This assembly is ideal for street performance and strip applications producing under 500 horsepower. The hypereutectic pistons offer excellent durability and reliability for pump gas applications, while the forged I-Beam rods with ARP 8740 bolts provide strength for spirited driving and weekend racing.