Mahle MS Piston Set GM LS 347ci 3.905in Bore 3.622in Stk 6.098in Rod .945 Pin -4cc 10.1 CR Set of 8

Mahle is a well-known name in the automotive industry, particularly for their expertise in engine components. This Mahle MS Piston Set is built for GM LS engines displacing 347 cubic inches, offering a solid foundation for a performance rebuild. These pistons are designed to work with a 3.905-inch bore and a 3.622-inch stroke, featuring a -4.1cc dish that contributes to a 10.2:1 compression ratio with a 6.098-inch connecting rod and a 0.945-inch wrist pin.

Crafted from 4032 aluminum, these pistons are well-built for durability and performance. The material choice offers good thermal expansion properties, which is important for maintaining proper clearances as the engine heats up. Each piston weighs in at 410 grams, contributing to a balanced rotating assembly. The included 0.945-inch wrist pins are robust and designed to handle the stresses of a performance LS engine.

This set includes all eight pistons needed for a complete engine build. It's important to note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures to ensure optimal performance and longevity of your engine build.