ARP Head Stud Kit - BMW S55 Configuration:Custom Age 625+ Build your BMW M54 engine

Build your BMW M54 engine with the BMW M54B30 Forged Rod & Piston Kit

Superior rigidity with minimal weight increase

and seamless compatibility with OEM components make it an indispensable upgrade for maintaining the reliability and efficiency of your Mini Cooper S under demanding conditions

and heavy-duty performance vehicles

ARP Head Stud Kit - BMW S55 Configuration:Custom Age 625+ Build your BMW M54 engineStrengthen the bottom end of your BMW S55 engine with the ARP Head Stud Kit BMW S55, delivering far greater clamping force and sealing than the factory fasteners. Engineered by ARP (Automotive Racing Products), this head stud kit is built to the standards demanded by high performance and motorsport BMW builds. Key Features Designed for BMW S55 engine Significantly increased clamping force over OEM fasteners Improved head gasket sealing and cylinder