ARP 434-1201 Stainless Steel Header Bolt Kit Description: SBC/GENIII LS 1/4 flange SS 12pt header bolt kit Pkg: kit Pkg Type: skin Material_1: Stainless Steel Finish_1: Polished Material_2: N/A Finish_2: N/A Origin: USA Category: Cylinder Head Product Line: Header Kit Type: Bolt