XDP X220 Series Head Stud Kit XD3004HS Duramax LBZ These include a 3 year/100k

These include a 3 year/100k mile warranty

All XDP Xpressor Turbos are backed by a 1-year warranty

Improves CP4 output past 3

Utilizing a far Superior Bar and Plate Core

We recommend running a 30-200% nozzle with these depending on your goals

XDP X220 Series Head Stud Kit XD3004HS Duramax LBZ These include a 3 year/100kReplace the OEM head bolts in your 2008 2010 Ford 6. 4L Powerstroke with the XDP X220 Series Head Stud Kit XD3004HS. Upgrading to these head studs helps avoid the common head gasket failure issues that arise when you start adding more horsepower and torque to your Super Duty. The 8740 Chrome Moly construction with an added proprietary element is more durable and will not stretch like the factory bolts. The threads are rolled after heat treating to