XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P Don't be fooled by the

Don't be fooled by the others

XDP injectors provide you with reliable fuel delivery and proper function in all temperatures and conditions

or racing - the PPE Performance Transmission Mount is a no-brainer upgrade

ensuring a leak-free seal

Stainless steel Tee-fitting and hose clamps are included

XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P Don't be fooled by theUpgrade the OEM head bolts on your 2017 2024 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