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The ARP main stud kit for the BMW B58 3.0L engine supplies aftermarket main studs engineered to replace factory hardware and secure main bearing caps in high-load applications. It’s specified for the B58 3.0L engine family and intended to strengthen crankcase fastening. This main stud kit is a direct-service hardware upgrade for B58 3.0L engines.
ARP BMW B58 3.0L Main Stud Kit
