ARP fasteners Single Head / Main Stud ARAR5.250-1LB Product:1/2" Thread X 5.250" OAL Aeroflow's Billet EFI Fuel rails

Aeroflow's Billet EFI Fuel rails feature precision machining with heavyduty mounts for high pressure applications

Center Cap (sold separately)

Material: A356 Aluminium

Teflon & 120 Series Nylon Hose

ARP fasteners Single Head / Main Stud ARAR5.250-1LB Product:1/2" Thread X 5.250" OAL Aeroflow's Billet EFI Fuel railsSingle Head Main Stud1 2" Thread X 5. 250" OAL Brand: ARP Part Number: ARAR5. 250 1LB Description: 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