Carrillo BC1120-030 Small Block Chevy Pistons 4.155 Bore 6.000 Rod

The Carrillo BC1120-030 is a precision-engineered piston set designed for Small Block Chevy engines. These high-performance pistons feature a dished design with a -21.9cc dish volume, optimized for use with 23-series cylinder heads and a 64cc combustion chamber to achieve a 9.5:1 compression ratio.

Specifications:

• Bore diameter: 4.155 inches
• Stroke: 3.750 inches
• Rod length: 6.000 inches
• Dish volume: -21.9cc
• Compression ratio: 9.5:1 (with 64cc heads)
• Compatible with all 23-series cylinder heads

Carrillo pistons are manufactured to exacting tolerances using premium materials, providing excellent durability and performance for street, strip, and racing applications. The dished crown design allows for optimized compression ratios while maintaining adequate valve-to-piston clearance in performance builds.