XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P this intercooler pipe also includes

this intercooler pipe also includes silicone couplers that are reinforced for increased strength

Increases in valve spring pressures

XDP uses a proprietary rubber gasket to withstand contraction

Inlet Connection: 1-7/8 inch

5-2002 24V - 3

XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P this intercooler pipe also includesUpgrade the OEM head bolts on your 2017 2023 GM 6. 6L Duramax L5P when you purchase the XDP X220 Series Head Stud Kit XD3017HS. Upgrading the factory head bolts is a must when start adding horsepower and torque to your Silverado Sierra. The factory bolts typically can't handle the additional pressure in high performance applications which can lead to the cylinder heads lifting. Upgrading to the XDP head studs helps to keep the cylinder heads locked