The Mahle MS Piston Set designed for Chevrolet Small Block engines offers precise engineering for optimal performance and durability. These pistons feature a 4.040-inch bore diameter and are suitable for engines with a 3.480 to 3.500-inch stroke, making them ideal for custom rebuilds or performance upgrades. The set includes pistons with a 6.000-inch connecting rod length and 0.927-inch wrist pins, ensuring compatibility with a range of high-performance configurations. Coated with phosphate and Grafal, these pistons provide excellent wear resistance and thermal stability, contributing to engine longevity and efficiency. The set is engineered with a -5.0cc dish volume design to optimize compression ratios and power output, with a compressed weight of approximately 442 grams per piston. These pistons are not CARB-approved but are suitable for off-road, racing, or custom applications where emissions compliance is not mandatory. Crafted by Mahle, a trusted name in automotive components, this set of eight pistons is engineered for precision fit and reliable performance in demanding engine rebuilds or performance builds. The pistons are packaged individually, ensuring quality control and ease of installation for professional mechanics and experienced enthusiasts alike. Constructed from high-quality materials and finished with advanced coatings, Mahle’s pistons help achieve the desired compression ratio of 10.4:1, supporting increased horsepower and torque. Whether upgrading an existing engine or building a new high-performance small block, these pistons offer a combination of strength, efficiency, and durability tailored for Chevrolet 357 CID applications.
Features:
- Bore Diameter: 4.040 inches for precise fit and performance
- Stroke Compatibility: 3.480 to 3.500 inches for flexible engine configurations
- Connecting Rod Length: 6.000 inches for optimal engine balance
- Wrist Pin Diameter: 0.927 inches for secure piston connection
- Displacement Volume: -5.0cc dish for optimized compression ratio
- Weight: Approximately 442 grams per piston for balanced engine operation
- Coatings: Phosphate and Grafal for enhanced wear resistance and thermal stability
- Compatibility: Designed for Chevrolet Small Block 357 CID engines
- Engine Performance: Supports a 10.4:1 compression ratio for increased power output
- Application: Suitable for performance and racing engines, not CARB-approved
