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This ARP main bolt kit is intended for Jeep 4.0L inline-six engines and supplies the main fasteners needed when servicing or rebuilding the crankshaft mains. Supplied as a dedicated bolt set for that engine family, it lets technicians replace worn or damaged OE hardware with a matching kit sized for the 4.0L inline-six, supporting reliable crank retention during engine assembly and reassembly.
ARP Jeep 4.0L Inline 6 Main Bolt Kit
