ARP fasteners Head Stud Kit, Hex Nuts AR193-4001 Product:fits Holden Commodore VS-VY 3.8L V6 Ecotec each stud is placed vertically

each stud is placed vertically into special racks and precisely heat-treated to 190

These fasteners deliver superior strength and meet the ARP “ZERO defect – ZERO failure” quality standard

Black With 1-1/8"" (28mm) Recessed Base"

These injectors can be driven with the saturated drivers found in every OEM ECU and most aftermarket ECU's for ease of useability across the board

ARP fasteners Head Stud Kit, Hex Nuts AR193-4001 Product:fits Holden Commodore VS-VY 3.8L V6 Ecotec each stud is placed verticallyHead Stud Kit, Hex Nutsfits Holden Commodore VS VY 3. 8L V6 Ecotec Brand: ARP Part Number: AR193 4001 Description: High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel ground