PPE Head Stud Kit 17-25 GM 6.6L L5P Duramax REC-264123CL MBRP was the first with

MBRP was the first with the filter back solution

As boost pressures increase

Gain PSI right where you need it

The aFe Pro Guard D2 filter gives you enhanced flow and superior filtration over stock units

PPE Head Stud Kit 17-25 GM 6.6L L5P Duramax REC-264123CL MBRP was the first withAdding more power to your L5P Duramax? Want to increase your durability and be more reliable? Already opening up the top end of your engine? Head studs are a no brainer to help with all of those situations. Head studs are an absolute must especially when upgrading your turbo. The factory head bolts have essentially one pressure point at the head of the bolt, whereas head studs create two points of pressure creating a much stonger hold on the head.