The Mahle MS Piston Set for Small Block Chevrolet engines is engineered for high-performance applications, specifically designed for 355 cubic inch motors. Each piston features a bore diameter of 4.030 inches, providing precise fitment and optimal combustion efficiency. The pistons are equipped with a 3.48/3.50-inch stroke and a 5.7-inch connecting rod length, ensuring smooth and reliable engine operation. With a compression ratio of 10.4:1 and a displacement of approximately 5.0 cubic centimeters, these pistons deliver a balance of power and durability. The set includes eight pistons with a pin diameter of 0.927 inches, coated with phosphate and Grafal for enhanced wear resistance and corrosion protection, contributing to long engine life. Weighing around 474 grams each, these pistons are designed for performance and reliability in demanding automotive applications. They are not carburetor approved and require carb acknowledgment, making them suitable for specialized engine builds where precise component specifications are critical. The pistons are fabricated from high-quality 4032 aluminum alloy, known for its strength and thermal stability, ensuring consistent performance under high stress. These Mahle pistons are ideal for enthusiasts and professional rebuilders seeking a durable, high-performance solution for small block Chevy engines, with a focus on power output and longevity.
Features:
- Bore Diameter: 4.030 inches for precise fitment and optimal combustion
- Stroke: 3.48/3.50 inches for balanced engine performance
- Connecting Rod Length: 5.7 inches for smooth operation
- Compression Ratio: 10.4:1 for increased power output
- Coatings: Phosphate and Grafal for enhanced wear resistance and corrosion protection
- Material: High-quality 4032 aluminum alloy for strength and thermal stability
- Pin Diameter: 0.927 inches for secure piston pin fit
- Weight: Approximately 474 grams per piston for durability and performance
