ARP 150-6901 Oil Pump Bolt Kit For Select Ford Applications, 3/8" And 5/16" 4 Piece Kit, 12-Point Style Premium grade oil pump bolts are inexpensive "insurance" that could save your engine Manufactured from black oxide finished chrome moly steel Rated at 170,000 PSI, which is considerably stronger than Grade 8 hardware Kit comes complete with bolts and washers Heads are compact 12-point style