Carrillo BC1200-040 Small Block Chevy Dome Pistons Bore - 5cc 4.165

These precision-machined pistons feature a +5cc dome design optimized for All 23 cylinder heads with 64cc combustion chambers.

Specifications:

• Bore Size: 4.165 inches
• Stroke: 3.750 inches
• Compression Height: 1.125 inches (for 6.000-inch connecting rods)
• Compression Ratio: 12.9:1 (with 64cc cylinder heads)
• Dome Volume: +5cc
• Compatible with All 23 style cylinder heads

Carrillo pistons are manufactured from high-quality forged aluminum alloy and undergo rigorous quality control to ensure precise tolerances and reliable performance. The dome design increases compression ratio for improved power output, making these pistons ideal for high-performance street and racing applications. Each piston is designed to work with a 6.000-inch connecting rod length in a Small Block Chevy platform with the specified bore and stroke combination.

Note: This compression ratio calculation is based on 64cc cylinder head combustion chambers. Actual compression ratio will vary with different head volumes, deck height, and gasket thickness.