and vigilance are imperative

230 grams (0

these high-performance valves offer exceptional strength and heat resistance

paddle shifters

The included CNC-machined chromoly retainers provide exceptional strength with reduced mass

5150 Xtreme Duty Cylinder Sleeve Set, BMW S55 S54B32 and vigilance are imperative5150 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,