This ARP lower pulley bolt kit is specified for SB/BB Chevy and contains 3/8-24 hex lower pulley bolts for small-block and big-block Chevrolet engines. The kit supplies hex-head fasteners with the listed thread size to match pulley mounting requirements, making it suitable for pulley replacement or engine assembly tasks on compatible Chevy platforms.
ARP SB/BB Chevy 3/8-24 hex lower pulley bolt kit