UPGRADES

The PPE 119000730 Coolant Bypass Pipe for your 2006-2007 GM 6.6L Duramax LBZ is re-engineered to address the common failure points in the OE product. The PPE Thermostat Bypass Pipe has improved...

Our PCV Reroute kit allows you to reroute the restrictive factory hoses. Our free-flowing design provides ventilation to eliminate oil residue going into your turbocharger. This kit will prolong...

SWAG Performance Heavy Duty Head Stud Kit Fits 01-16 GM 6.6  Duramax Diesel Engines Tested at 220,000+ PSI Tensile Strength Our Head Stud material properties allow for far grea