Carrillo BBC5311-030 Big Block Chevy Forged Piston Set Bore Dome - 4.530 24.5cc

The Carrillo BBC5311-030 forged piston set is engineered for high-performance Big Block Chevy engine builds requiring precision and durability. These pistons feature a 24.5cc dome design that optimizes compression and combustion efficiency for maximum power output.

Key Specifications:

• Bore diameter: 4.530 inches
• Stroke length: 4.000 inches
• Connecting rod length: 6.135 inches
• Compression ratio: 10.8:1 (calculated with 118cc cylinder head)
• Dome volume: 24.5cc

Carrillo pistons are manufactured from premium forged aluminum alloy using advanced CNC machining processes to ensure tight tolerances and consistent quality. The dome configuration increases compression ratio while maintaining proper quench characteristics. These pistons are designed for serious street performance, bracket racing, and engine builds demanding reliability under high-stress conditions.

Each piston is precision-machined to work with the specified bore, stroke, and rod length combination, ensuring proper deck height and optimal ring seal. Compatible with Big Block Chevy engines using 118cc combustion chamber cylinder heads to achieve the stated 10.8:1 compression ratio.