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Includes a set of fourteen ARP2000 M12 main studs, fourteen newly manufactured 8740 chrome moly steel (low height) 12 point nuts to clear the OEM main girdle, fourteen 8740 accessory bolts that secure the main girdle to the engine block and a 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant.
All Pro Series ARP2000 studs are centerless ground, heat treated prior to thread rolling and machining, and are nominally rated at 220,000 psi. These fasteners deliver a 30% increase in tensile strength over the OEM main bolts. Optimum design, enhanced reliability and increased strength are main attributes of ARP's Pro series main stud kits.