04.5-05 6.6L LLY Duramax Bag of Parts 15% CP3 Upgrade
The stage I For the 6.6L Duramax, "Do it yourself" kit is good for 15% more volume. The kit is built with new components and are modified using the EDM process. This kit can be installed without removing the CP3 injection pump from the truck. No core due.
New Part#: 433403