Darkside Developments
ARP Head Stud Kit for VW 1.9 & 2.0 8v TDI PD Engines
ARP Head Stud Kit for 1.9 & 2.0 8v TDI Engines
ARP Head Stud and Nut Kit for 8v PD Engines
The Studs have a 200,000psi Yield
Normal PD Head Bolts are 10.9 Grade (136,000psi), PD150/PD160 use 12.9 Grade...