This Mahle MS piston set is specifically designed for Chrysler Hemi engines with a 420 cubic inch displacement. Crafted with precision, these pistons feature a 4.065-inch bore and a 4.05-inch stroke, ensuring optimal fit and performance in high-performance applications. The set includes 8 pistons, each equipped with a 0.927-inch piston pin and a 6.125-inch connecting rod, providing reliable durability and consistent power output. The pistons possess a compression ratio of approximately 10.1:1, suitable for a variety of performance builds. Constructed from high-quality cast aluminum 4032 alloy, these pistons are lightweight yet durable, designed to withstand the stresses of high RPM and aggressive driving conditions.
Features:
- Bore: 4.065 inches for precise engine fit
- Stroke: 4.05 inches for optimal power delivery
- Connecting Rod: 6.125 inches for strength and durability
- Piston Pin: 0.927 inches for secure piston assembly
- Compression Ratio: approximately 10.1:1 for performance tuning
- Material: High-quality 4032 cast aluminum for durability and lightweight
- Coatings: Phosphate, Grafal, and Hard Anodized top ring groove for enhanced wear resistance
- Application: Designed for Chrysler Hemi 420 cubic inch engines
- Includes: Set of 8 pistons for complete engine rebuild or upgrade