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The ARP stainless steel water pump pulley stud kit includes 5/16-24 x 4.000 in hex studs with a 2.750 in fan spacer, intended to secure a water pump pulley and fan spacer as described. The listing provides thread size, stud length, and spacer dimension so installers can match the hardware to the specified pulley assembly during repair or reassembly.
ARP 5/16-24 X 4.000 SS Hex Water Pump Pulley w/ 2.750in Fan Spacer Stud Kit
