5150 Xtreme Duty Cylinder Sleeve Set, BMW M54 11241278194 and a lightweight forged crankshaft

and a lightweight forged crankshaft

the S58B30

the ReFlex LITE makes tuning easier than ever for enthusiasts and tuners

Whether you’re building a boosted daily driver

and high-performance street setups

5150 Xtreme Duty Cylinder Sleeve Set, BMW M54 11241278194 and a lightweight forged crankshaft5150 Xtreme Duty Cylinder Sleeves, also known as cylinder liners, are centrifugally cast, ductile iron cylinder sleeves. Benefits of Engine Sleeving Include: Increased Bore Size: Sleeving your engine gives the opportunity to increase bore size for higher displacement and increased engine capacity, resulting in more power and more torque Increased Strength: Iron sleeves are stronger than alusil when subjected to high power, high stress applications,