Mahle MS Piston Set BMW S55 84mm Bore 89.6mm Stroke 144.35mm Rod 22mm Pin -10.5cc 10.2CR Set of 6

If you're rebuilding the engine in your BMW S55, this Mahle MS Piston Set is a solid choice for getting your performance back on track. Mahle is a well-known name in engine components, and this set is built for the demanding nature of the S55 3.0L engine. These pistons are designed to handle increased cylinder pressures and temperatures, making them suitable for performance applications where reliability is key.

This set includes six forged pistons, each with an 84mm bore and a 10.2:1 compression ratio. The pistons are constructed from 2618 aluminum, a strong material commonly used for high-performance pistons due to its durability and heat resistance. Each piston weighs in at 325 grams, with a 22mm wrist pin diameter and a 144.35mm connecting rod length compatibility. The dish volume is -10.5cc, which contributes to the overall compression ratio. These are designed as direct replacements for the stock pistons, simplifying the installation process for a mechanic.

It's important to note that this piston set is not CARB approved and cannot be shipped to California. Ensure you check all manufacturer specifications and consult with your mechanic to confirm compatibility with your specific build and any other components you plan to use.