5PSI system compatible with manual and DCT

prepare your engine for high performance modifications

Walbro 255

and vigilance are imperative

5150 Xtreme Duty Cylinder Sleeve Set, BMW S55 S54B32 5PSI system compatible with manual5150 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,