This Mahle MS piston set is designed specifically for Chevrolet Small Block engines with a 420 cubic inch displacement. Crafted with precision, each piston features a bore diameter of 4.155 inches and a stroke of 3.875 inches, ensuring optimal fit and performance for high-performance applications. The set includes pistons with a 6.0-inch connecting rod length and a .927-inch wrist pin, providing durability and strength under demanding conditions. Coated with phosphate and Grafal, these pistons offer excellent wear resistance and thermal stability, making them suitable for high-performance and racing engines. The pistons have a compression ratio of approximately 13.5:1, delivering strong power output while maintaining reliable operation. Made from 2618 aluminum alloy, these pistons balance strength and weight, contributing to engine efficiency and responsiveness. Designed for professional automotive use, this set is not carbureted-approved and requires carb acknowledgment during installation. The pistons are shipped as a complete set of eight, ensuring even and balanced engine operation. Proper installation and adherence to manufacturer specifications are essential for optimal performance and longevity of your engine. The Mahle MS piston set is an excellent choice for enthusiasts and professional builders seeking high-quality components to maximize engine output and durability.
Features:
- Bore Diameter: 4.155 inches for precise engine fit
- Stroke: 3.875 inches for optimal power delivery
- Rod Length: 6.0 inches providing durability and stability
- Pin Diameter: .927 inches for secure wrist pin fit
- Displacement: 420 cubic inches designed for high-performance Chevrolet Small Block engines
- Coatings: Phosphate and Grafal for wear resistance and thermal stability
- Compression Ratio: Approximately 13.5:1 for strong power output
- Material: 2618 aluminum alloy balancing strength and weight
- Set Includes: 8 pistons for complete engine assembly
- Application: High-performance automotive use requiring carb acknowledgment
