Eagle B18021L060 Street and Strip Rotating Assembly BBC Overbore - 454 060

The Eagle B18021L060 is a complete Street and Strip rotating assembly designed for Chevrolet Big Block 454 engines with 1-piece rear main seals. This balanced assembly provides exceptional value and reliability for street performance and strip applications producing up to 700 horsepower.

Complete Assembly Includes:

• Eagle cast steel crankshaft with precision-ground journals
• Eagle SIR forged I-beam connecting rods with ARP 8740 bolts
• Forged aluminum pistons engineered for .060" overbore (4.310" bore)
• Plasma-moly piston rings with file-fit design
• Premium rod and main bearings from King or Clevite

Key Features:

• Factory balanced assembly - ready to install with no additional balancing required
• Designed for external balance configuration
• Suitable for engines producing under 700 horsepower
• Professional-grade components at an affordable price point
• 4.250" stroke crankshaft for increased displacement
• Quality construction for street performance and weekend strip use

This is a complete rotating assembly that provides all the internal components needed for your big block Chevy build. Note that harmonic balancer and flexplate/flywheel are not included and must be purchased separately to match the external balance requirements.