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This ARP lower pulley bolt kit for SB/BB Chevy provides 3/8-16 12-point bolts intended for small-block and big-block Chevrolet lower pulley installations. Offered as a purpose-fit hardware kit, it matches the thread pitch and 12pt head style commonly used on those Chevy engines, supporting pulley service, replacement, or engine rebuild tasks requiring the correct fasteners.
ARP SB/BB Chevy 3/8-16 12pt lower pulley bolt kit
