BMW B46 ARP Head Stud KitThis ARP2000 Head Stud Kit is designed for the turbocharged inline 4 cylinder B46 engines found in varias BMW chassis and Mini Engines. As you increase the power output of your engine beyond its factory specifications, the head and block may start to separate, causing factory bolts to stretch and fail. ARP Head Studs are stronger than factory bolts, ensuring your race engine stays together even under extreme conditions. The Custom Age 625+ option is
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