ARP Head Stud Kit - Audi 5 Cylinder 10-Valve - 204-4205 4152 Series 6240227B is a 6-pad spring-centered

6240227B is a 6-pad spring-centered race discs made with high quality ceramic friction materials

The top and bottom layers feature a Nitrile Rubberized Coating that helps accommodate a rougher RA surface finish of up to 50microinch

Custom black COBB Redline badging

and preparing the mounting surface with the included alcohol wipe

ARP Head Stud Kit - Audi 5 Cylinder 10-Valve - 204-4205 4152 Series 6240227B is a 6-pad spring-centeredIt 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, theres 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. Secondly, each stud is placed vertically into special racks and precisely heat treated