Mahle MS Pistons LSX 431cid 4.080in Bore 4.125in Stk 6.125in Rod .927 Pin -20cc Dish 10.0CR Set of 8

Mahle is a well-known name in engine components, especially for their piston designs that often come as original equipment. This set of MS pistons is built for the Chevrolet LS engine platform, specifically for builds aiming for a 431 cubic inch displacement. These aren't just standard replacement parts; they are forged pistons designed to handle the demands of a performance-oriented engine build.

Each piston in this set features a 4.080-inch bore and a -20cc dish, which contributes to a 10.0:1 compression ratio when paired with a 4.125-inch stroke crankshaft and a 6.125-inch connecting rod. The pin diameter is 0.927 inches. The material used is 2618 aluminum, a common choice for high-performance pistons due to its strength and ability to withstand high temperatures and pressures. At 418 grams each, they offer a good balance of strength and weight for their intended application. This set includes eight pistons, ready for your next engine assembly.

Keep in mind that these pistons are not CARB approved and cannot be shipped to California. For a successful engine build, ensure you have the correct supporting components like crankshaft, connecting rods, and rings that are compatible with these specifications. Always refer to Mahle's installation guidelines for proper fitment and assembly procedures.