Carrillo BCR1320-050 SBC Flat Top Piston Set 4.050 Bore

The Carrillo BCR1320-050 is a precision-engineered flat top piston set designed for Small Block Chevy engines. These high-performance pistons are built to exacting specifications for serious engine builders seeking reliability and power.

Key Specifications:

• Bore Size: 4.050 inches
• Stroke: 3.500 inches
• Connecting Rod Length: 6.000 inches
• Compression Height: -6cc flat top design
• Compression Ratio: 10.3:1 (with 64cc combustion chamber)
• Pin Position: 20/30 offset configuration
• Designed for 23-degree cylinder heads

Carrillo pistons are manufactured from high-quality forged aluminum alloy, offering exceptional strength-to-weight ratio and thermal stability. The flat top design with -6cc valve reliefs provides optimal combustion efficiency while maintaining high compression ratios. The 20/30 pin offset helps reduce piston rock and side loading for quieter operation and extended engine life.

These pistons are ideal for high-performance street engines, racing applications, and engine rebuilds where precise specifications and quality construction are essential. Compatible with Small Block Chevy engines using 6.000-inch connecting rods and 64cc cylinder heads to achieve the specified 10.3:1 compression ratio.