The Mahle MS Piston Set is specifically designed for high-performance small block Chevrolet engines with a 428 cubic inch displacement. Crafted with precision, these pistons feature a 4.125-inch bore and a 4.000-inch stroke, optimized for robust engine operation. The set includes eight pistons, each weighing approximately 8.8 ounces, constructed from high-quality 4032 aluminum alloy with phosphate and Grafal coatings for enhanced durability and wear resistance. The pistons incorporate a 0.927-inch pin diameter and a 20cc combustion chamber volume, contributing to a compression ratio of 10.4:1, ideal for performance applications.
Features:
- Bore: 4.125 inches for optimal engine fit and performance
- Stroke: 4.000 inches, engineered for high power output
- Connecting Rod Length: 6.000 inches for balanced motion
- Pin Diameter: 0.927 inches with coated surface for durability
- Displacement: 428 cubic inches for powerful engine output
- Combustion Chamber Volume: 20cc for a 10.4:1 compression ratio
- Coatings: Phosphate and Grafal to reduce wear and improve longevity
- Material: High-strength 4032 aluminum alloy for performance and heat resistance
- Application: Designed for Chevrolet small block engines, not carb-approved, requiring acknowledgment for use