5150 Xtreme Duty Cylinder Sleeve Set, BMW / Toyota B58 Tilton Engineering Valve breakage can lead to

Valve breakage can lead to catastrophic failures if a valve drops into the combustion chamber

There are no returns available on any engine bearings

SuperTech valves are manufactured using top-quality materials

Increase valvetrain stability and eliminate performance-robbing valve float with the Ferrea High-Performance Valve Spring Kit

5150 Xtreme Duty Cylinder Sleeve Set, BMW / Toyota B58 Tilton Engineering Valve breakage can lead to5150 Xtreme Duty Cylinder Sleeves, also known as cylinder liners, are centrifugally cast, ductile iron cylinder sleeves. Designed to work with piston sizes ranging from 82 mm to 84 mm. 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