XDP X220 Series Head Stud Kit XD3001HS Duramax LB7 Fuel injectors undergo a performance

Fuel injectors undergo a performance nozzle flow testing for leakage and flow to guarantee like-new performance and an OE-consistent balanced fuel delivery

you can be sure that you are getting a quality replacement component

high engine RPM

The factory CP4 pump is a known weak point and often fails in a catastrophic nature

XDP X220 Series Head Stud Kit XD3001HS Duramax LB7 Fuel injectors undergo a performanceUpgrade the factory head bolts in your 2003 2007 Ford 6. 0L Powerstroke with the XDP X220 Series Head Stud Kit XD3001HS. With only four head bolts per cylinder, and just 10 per bank, the 6. 0 engine is infamous for cylinder head gasket issues. When adding horsepower and torque to your Powerstroke, or even in stock applications as preventive maintenance, upgrading the factory head bolts is a necessity to avoid a lifted cylinder head, or a failed head