5150 Xtreme Duty Cylinder Sleeve Set, BMW S65 gatT131RB OEM rubber bushings wear from

OEM rubber bushings wear from constant movement

boasting increased displacement

74% peak efficiency

are securely held in place

40mm Exhaust   Full Race  334° Intake / 330° Exhaust   12

5150 Xtreme Duty Cylinder Sleeve Set, BMW S65 gatT131RB OEM rubber bushings wear from5150 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,