Mahle MS Piston Set GM LS 383ci 3.905in Bore 4in Stroke 6.125in Rod .927 Pin -6cc 10.8 CR Set of 8

These Mahle Motorsport pistons are meticulously crafted from high-grade 4032 aluminum alloy, offering an impressive strength-to-weight ratio for durability in extreme conditions. Designed for high-caliber engines, they feature a precision-engineered 3.905-inch bore and a 4.000-inch stroke, enabling a compression ratio of 10.8:1 for enhanced engine efficiency. Their lightweight design (382 grams) reduces unsprung mass, improving throttle response. Rigorous testing, including dyno validation and CFD modeling, ensures their reliability under high pressures and temperatures, making them suitable for performance-driven builds.