ProMaxx Replacement Cylinder Head intercooler pipes and overall capability of your

and overall capability of your 2007–2013 Chevy or GMC 1500 2WD with the Zone Offroad 3

and torque

so you can quickly and accurately determine when your filter needs to be serviced

turn signal

Heavy-Duty Construction

ProMaxx Replacement Cylinder Head intercooler pipes and overall capability of yourProMaxx Performance Cylinder Heads are designed as replacement cylinder heads with thicker castings in crack prone areas. Sold as a complete cylinder head with valves, valve seals, springs, retainers and locks, these new castings are sold without a core charge and come ready to install. Features: New Casting Improved Casting In "Problem Areas" No Core Charge!