OEM PD150 ARL Cylinder Head Bolt Set for 1.9 & 2.0 8v TDI PD Diesel Engines. The original head bolts have a tensile strength of 10.9 which can be known to cause head lift when making more power, PD150 head bolts have a higher tensile strength of 12.9.
This product is ideal for individuals and mechanics working on or planning to modify 1.9 and 2.0 liter 8v Volkswagen TDI PD engines.