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ARP main stud kit for BBC Dart Big M four-bolt cast iron caps supplies heavy-duty main studs intended for high-performance big block Chevy applications using Dart Big M caps. The kit provides upgraded main fastening hardware to increase clamping strength and durability in high-stress engine builds, supporting reliable crankshaft retention when assembled per ARP and engine builder specifications.
ARP BBC Dart Big M 4-bolt Cast Iron Caps Main Stud Kit
