The ARP rod bolt kit for big-block Chevrolet 8.1L is specified as an M10 ARP2000 Pro Wave-Loc rod bolt set for that displacement and thread size. It supplies ARP2000-grade M10 Pro Wave-Loc bolts intended to clamp connecting rods in 8.1L BB Chevy applications, providing the bolt specification and thread form required where M10 sizing is called for by the engine's rod and journal configuration.
ARP BB Chevy 8.1L M10 ARP2000 pro wave-loc rod bolt kit