The ARP 12-point lower pulley bolt kit for Ford SS 3-bolt crank pulleys supplies the fasteners specified for the three-bolt SS pulley arrangement noted in the product title. This kit identifies the 12-point head configuration and is intended for that pulley style; confirm that your vehicle uses the Ford SS 3-bolt pulley before selecting this bolt set.
ARP Ford SS 3-Bolt 12pt Lower Pulley Bolt Kit