5150 Xtreme Duty Cylinder Sleeve Set, BMW S55 GR Precise Tuning: Leveraging existing fuel

Precise Tuning: Leveraging existing fuel injectors for meticulous air-fuel regulation

stress-relieved

you virtually eliminate the possibility of the crank bolt working its way loose

providing superior sealing without the need for additional sealants

Perfect for both street cars and track builds

5150 Xtreme Duty Cylinder Sleeve Set, BMW S55 GR Precise Tuning: Leveraging existing fuel5150 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,