ARP fasteners Single Head / Main Stud ARAU4.750-2LB Thermostats 65) - Non/ Step rim

65) - Non/ Step rim available20 inch: 20x8 - 20x11 (PCD 5H-108 to 120

Part Number: AF64-4055

Made from Stainless Steel and available in a variety of sizes to suit many applications

except LS1 front-sump oil pans due to thearchitecture of the internal oil routing in the pan

Aeroflow air filter assemblies work with all popular standard 4150 (5-1/8"" / 130mm) carburettors and 4500 Dominator (7-5/16"" /186mm) carburettors

ARP fasteners Single Head / Main Stud ARAU4.750-2LB Thermostats 65) - Non/ Step rimSingle Head Main Stud12mm X 1. 75 Thread X 4. 750" OAL ARAU4. 750 2LB AU4. 750 2LB It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, there's not a better stud setup on the market today. For openers, ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to "aircraft" quality alloy steels.