XDP LB7 Injector Cup and O-Ring Set XD410 For 2001-2004 GM 6.6L Duramax LB7 6L Duramax LBZ/LMM with the

6L Duramax LBZ/LMM with the XDP Main Stud Kit XD3008MS

and engine fuel lines

but one bad tank of fuel can cause significant damage

The increased cylinder pressure

This kit also includes a complete set of new fuel injector lines

XDP LB7 Injector Cup and O-Ring Set XD410 For 2001-2004 GM 6.6L Duramax LB7 6L Duramax LBZ/LMM with theThe XDP LB7 Injector Cup and O Ring Set XD410 helps hold the fuel injector in the cylinder head of your 2001 2004 GM 6. 6L Duramax LB7. The factory injector cups are known to seize in the head, leak, and even corrode. When this happens it can often cause over pressurization of the cooling system leading to symptoms of a blown head gasket, damage to the radiator, water pump, and other cooling system components. In some extreme cases, a catastrophic