XDP X220 Series Head Stud Kit For 2017-2023 GM 6.6L L5P Duramax Diesel mens Fits 4-door Unlimited models only

Fits 4-door Unlimited models only

and clearance for up to 37” tires

Must have Factory Overload rear suspension

or Stock control arms

XDP X220 Series Head Stud Kit For 2017-2023 GM 6.6L L5P Duramax Diesel mens Fits 4-door Unlimited models onlyUpgrade 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