Quick view 400-1212: ARP BB CHEVY SS 12PT HEADER BOLT KIT 400-1212: ARP BB CHEVY SS 12PT HEADER BOLT KIT ARP stainless steel header bolts are 15 percent stronger than Grade 8 steel. These 12-point bolts have a compact head that will allow a socket to fit... MSRP: Was: Now: $57.50 Add to Cart