ARP Cylinder Head Stud Kit - 12 mm Studs - 12 Point Nuts - Chromoly - Black Oxide - Undercut - Ford 4-Cylinder 42020BL All Aeromotive fittings and adapters

All Aeromotive fittings and adapters are fully compatible with gasoline and alcohol fuels

2000-2016 Audi S4

smoother idle

The Specs:

Stud is NOT included

ARP Cylinder Head Stud Kit - 12 mm Studs - 12 Point Nuts - Chromoly - Black Oxide - Undercut - Ford 4-Cylinder 42020BL All Aeromotive fittings and adaptersARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Cylinder Head Stud Kit 12