XDP XD384 Billet Rocker Arm Valve Bridge Set 01-16 GM 6.6L Duramax PPE-1110200 and its known for cracking

and its known for cracking and breaking

Demand Better

but featuring a high flowing

In most trucks

Bellowed Up-Pipes are what you need to cure those leaking stock up-pipes

XDP XD384 Billet Rocker Arm Valve Bridge Set 01-16 GM 6.6L Duramax PPE-1110200 and its known for crackingUpgrade and replace your factory rocker arm valve bridges in your 01 16 GM 6. 6L Duramax with the Billet XDP Rocker Arm Bridge Set. The factory bridges are designed for factory power levels. The added stress and load from a modified engine can exceed what the factory bridges are designed for. These bridges are constructed from CNC machined 4140 chromoly for strength and durability. Sold as a set.