the S58 cranks out up to 503 horsepower and 479 lb

and properly resurfaced

achieving the perfect balance reduces vibrations

Designed for precision and consistency

They are engineered to provide the reliability and durability required by high-performance and racing environments

Mahle Motorsport PowerPak Piston Set, BMW B58 11317563663 the S58 cranks out upThe MAHLE Motorsport PowerPak kit is their high volume shelf stock program developed for high performance enthusiasts. PowerPak pistons are made from 2618 alloy to allow for increased detonation resistance. PowerPak Features: Forged piston for performance applications Fully machined crown Grafal anti Friction coating on skirts reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise. Phosphate coated to reduce micro welding and