and lightweight performance

providing increased capacity to withstand the rigorous abuse often encountered on the track

This Athena Cut Ring Head Gasket is specifically engineered to replace BMW part # 11121730226 and 11121730227 for the M30B30

ensuring your engine performs at its best

OS Flywheel Bolts

5150 Xtreme Duty Cylinder Sleeve Set, BMW B46 S14 Rods and lightweight performance5150 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,