Mahle MS Piston Set BBC 505ci 4.350in Bore 4.25in Stroke 6.385in Rod 0.990 Pin -3cc 8.9 CR Set of 8

If you're building a high-performance Big Block Chevy engine, especially one around the 505 cubic inch displacement, a solid set of pistons is crucial for reliability and power. This Mahle MS piston set is designed for those demanding builds, offering a well-built foundation for your engine's top end. They feature a flat-top design with a -3.4cc dish, which helps achieve a compression ratio of 8.9:1 when paired with a 4.250-inch stroke and a standard 9.800-inch deck height, making them suitable for a wide range of street and strip applications.

Crafted from 4032 aluminum, these pistons are known for their strength and durability, capable of handling the stresses of a powerful Big Block. The set includes pistons with a 4.350-inch bore diameter, designed to work with a 6.385-inch connecting rod and a 0.990-inch wrist pin. Each piston weighs in at approximately 498 grams, contributing to a balanced rotating assembly. This set is engineered for performance, providing a reliable component for engine rebuilds where power and longevity are key considerations.

This piston set is sold as a complete set of 8. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to manufacturer installation instructions for proper fitment and assembly procedures.