
Chevy Vortec 6.0L 398ci Balanced Competition Assembly, Bore Dia.: 4.030"
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- Chevy Vortec 6.0L 398ci Balanced Competition Assembly,
- Bore Dia.: 4.030''
- Stroke: 3.900''
- Rod Length: 6.200''
- Piston Type: Flat Top @ -2cc
- Comp Ratio: 9.0:1 w/64cc Head, 8.8:1 w/66cc Head, 8.4:1 w/72cc Head
Precision-Balanced Power Built for Serious RPM
Eagle Balanced Competition Rotating Assemblies deliver race-ready strength and smooth performance through expertly matched components and precision balancing backed by Eagle’s performance-engineering heritage. Built using high-quality forged and machined materials designed to withstand high cylinder pressures and sustained rpm, these assemblies emphasize durability, consistent clearances, and dependable fitment across a wide range of performance engine builds. With a focus on machining accuracy, quality control, and real-world reliability, Eagle rotating assemblies provide a confident foundation for builders seeking strong power potential and stable operation in demanding street, strip, and competition environments.
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