ARP is a leading manufacture of high strength fasteners for your 6.7L Cummins engine. Enhance reliability and strength of your engine's front balancer assembly with this kit from ARP. Each kit includes 4 8740 Pro Series balancer bolts that are rated at 200,000 PSI tensile strength, 4 8740 parallel ground washers, and 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant.