This Mahle MS piston set is designed specifically for small block Chevrolet engines with a 355 cubic inch displacement. Crafted from high-quality 2618 aluminum alloy, these pistons feature a 4.030-inch bore diameter and a 3.480/3.500-inch stroke, providing reliable performance for high-performance applications. The set includes pistons with a 6.125-inch connecting rod length and a .927-inch wrist pin, ensuring optimal fitment and durability. Each piston offers an 11.1cc dish volume and a compression ratio of 12.9:1, making it suitable for custom builds focused on power and efficiency. The pistons are coated with phosphate and Grafal to enhance wear resistance and reduce friction, prolonging engine life and maintaining performance under demanding conditions. Designed for automotive use, these pistons are not carb-legal and require carb acknowledgment during installation. They are shipped as a set of eight, ready for assembly into your small block Chevy engine.
Features:
- High-strength 2618 aluminum alloy construction for durability and heat resistance
- Bore diameter: 4.030 inches for precise engine fitment
- Stroke: 3.480/3.500 inches to optimize engine displacement
- Connecting rod length: 6.125 inches for balanced performance
- Wrist pin diameter: .927 inches for secure piston-pin connection
- Displacement: 11.1cc dish volume for desired compression ratio
- Compression ratio: 12.9:1 to maximize power output
- Surface coatings: phosphate and Grafal for wear reduction and friction minimization
- Designed for automotive applications, not carb-legal
- Includes a set of 8 pistons for complete engine rebuild