JE Pistons BMW S54B32 11.5 KIT Single Piston

This kit gets you a single, well-built forged piston designed for the BMW S54B32 engine. It features an inverted dome/dish design and a 3.445-inch bore, aiming for an 11.5:1 compression ratio. These pistons are made from 2618 aluminum, a strong material chosen for its high tensile strength, which is crucial for engines pushed hard.

JE Pistons builds these right here in the USA, using their experience to tailor the design for specific engines and racing uses. This particular piston includes their proprietary Forged Side Relief (FSR) design, which helps reduce friction and power loss by minimizing skirt width. Depending on the specific application, some pistons also get a skirt coating to cut down on friction and noise, along with an accumulator groove to improve ring seal and prevent combustion gas pressure issues. You'll also find high-quality wrist pins, locks, and JE's Pro Seal premium piston rings included in the package.

Keep in mind that this piston is not CARB approved and cannot be shipped to California. It's a solid option for rebuilding or upgrading your S54B32 engine, focusing on durability and performance.