Mahle MS Piston Set GM LSX 376cid 4.065x1.304CH 3.622 Stk 6.125 Rod .927 Pin -5.8cc 10.1CR Set of 8

Starting with a 4.065-inch bore and a 1.304-inch compression height, this Mahle MS Piston Set is built for GM LSX 376 cubic inch engines. These pistons are forged from 2618 aluminum, a strong material commonly used in high-performance applications because it can withstand the heat and stress of boosted or high-compression builds. Each piston weighs in at 466 grams, which is a reasonable weight for a forged piston of this size, helping to keep reciprocating mass in check.

The design incorporates a -5.8cc dish volume, which, when paired with a 3.622-inch stock stroke and a 6.125-inch connecting rod, results in a 10.1:1 compression ratio. This compression level is a popular choice for naturally aspirated or moderately boosted street/strip applications, offering a good balance between power and pump gas drivability. The 0.927-inch pin diameter is standard for many LS applications, ensuring compatibility with a wide range of connecting rods.

This set includes eight pistons, all the necessary hardware for installation, and is designed as a direct fit for GM LSX 376 cu in engines. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.