XDP X220 Series Head Stud Kit XD3001HS Duramax LB7 The factory CP4 pump is

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

high engine RPM

you could have to remove the cover and hammer out the dents

This redesigned bearing housing and backing plate design to fit 200% LARGER thrust bearings and upgraded wider and taller journal bearings

Tech Tips:

XDP X220 Series Head Stud Kit XD3001HS Duramax LB7 The factory CP4 pump isUpgrade 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