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The ARP 12-point main bolt kit for Chrysler 273–440 wedge engines supplies replacement main bolts sized for those small-block wedge applications. Intended for engine builders and restorers, this kit provides the correct 12pt fasteners to secure main caps during rebuilds or maintenance. Use it when replacing original hardware to ensure proper fitment for the specified Chrysler engine range.
ARP Chrysler 273-440 Wedge 12pt Main Bolt Kit
