Eagle Specialty Products 12501030 Competition Rotating Assembly Chevy 400 SBC 6.000" Rods

The Eagle Specialty Products 12501030 Competition Rotating Assembly is engineered to deliver exceptional strength and reliability for demanding Chevy 400 small block applications. This complete rotating assembly provides enthusiasts and engine builders with professional-grade components at an affordable price point.

Complete Assembly Includes:

• Eagle Forged 4340 Steel Crankshaft with 3.750" stroke
• Eagle H-Beam Connecting Rods, 6.000" center-to-center length
• Forged Pistons with -5cc flat top design
• File-fit piston rings
• High-performance Clevite or King engine bearings

Key Specifications:

• Designed for .030" overbore (4.155" bore) producing approximately 407 cubic inches
• Compression ratios: 11.0:1 with 64cc heads, 9.7:1 with 76cc heads
• Designed for internal balance (harmonic balancer and flexplate/flywheel not included)
• Professional machine shop balancing required before installation
• H-beam rods feature upgraded ARP fasteners

This unbalanced assembly must be professionally balanced before use. Eagle's Competition series assemblies are manufactured using advanced processes including multi-stage heat treating, X-ray inspection, sonic testing, and magnafluxing to ensure maximum quality and durability for high-performance street and strip applications.

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.