Carrillo BBC5205-STD Big Block Chevy Piston Set Bore Rod - 4.500 6.700

The Carrillo BBC5205-STD piston set is precision-engineered for Big Block Chevy applications, delivering professional-grade performance and reliability. These pistons feature a flat top design with a -3.4cc dish, optimized for balanced compression and efficient combustion.

Key Specifications:

• Bore: 4.500 inches
• Stroke: 4.500 inches
• Connecting Rod Length: 6.700 inches
• Compression Ratio: 9.5:1 (with 118cc cylinder head)
• Piston Top: Flat top with -3.4cc dish
• Application: Big Block Chevy engines

Carrillo pistons are manufactured to exacting tolerances using premium materials, ensuring consistent performance under high-stress conditions. The flat top design with minimal dish volume provides an excellent balance between compression efficiency and detonation resistance, making this piston set ideal for street performance and mild racing applications. When paired with 118cc combustion chamber heads, this combination achieves a 9.5:1 compression ratio, perfect for pump gas compatibility while maintaining strong power output.

Designed for use with 6.700-inch connecting rods in a 4.500-inch stroke BBC configuration, these pistons deliver optimal rod-to-stroke geometry for reliable operation and longevity.