ARP fasteners Single Head / Main Stud ARAU4.750-2LB Thermostats Exducer: 62

Exducer: 62

Recommended for up to 1500 CFM / 1200 HP

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

Oversized 7mm hose barb

ARP fasteners Single Head / Main Stud ARAU4.750-2LB Thermostats Exducer: 62Single 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.