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This ARP main stud kit is produced for BMW E46 M3 and S54 engines, supplying main fastening studs tailored to that crankcase application. Intended as a direct fastener solution for the E46 M3/S54 powerplant, the kit provides ARP main studs to replace or upgrade the factory main bolts where this specific stud kit is specified.
ARP BMW E46 M3/S54 Main Stud Kit
