Carrillo BC1050-030 Small Block Chevy Flat Top Pistons Bore Rod - 4.030 5.700

These precision-machined pistons feature a -6.83cc dish volume and are designed to work with all 23-degree cylinder heads.

Key Specifications:

• Bore diameter: 4.030 inches
• Stroke: 3.500 inches
• Rod length: 5.700 inches
• Compression ratio: 9.8:1 (with 64cc combustion chamber)
• Dish volume: -6.83cc (flat top design)
• Compatible with 23-degree cylinder heads

Carrillo pistons are manufactured from high-grade forged aluminum alloy and undergo rigorous quality control to ensure optimal strength, durability, and dimensional accuracy. The flat top design with minimal dish provides an excellent balance of compression ratio and detonation resistance, making these pistons ideal for street performance and mild racing applications. Each piston is precision-machined to exacting tolerances for proper ring seal and long-term reliability.