11-16 Powerstroke 6.7 ARP Head Stud Kit Intake 6L Duramax LBZ with a

6L Duramax LBZ with a sleek new look and state-of-the-art technology

If you press it down it locks the TCC and stays locked until you push it again which raises the switch back to the open/unlocked position

Flow matches the passenger side manifold and balances the engines exhaust pressure

Stainless Mandrel Bent Tubes

11-16 Powerstroke 6.7 ARP Head Stud Kit Intake 6L Duramax LBZ with aThe ARP 250 4301 Diesel Head Stud Kit is a must have upgrade for your 2011 2016 Ford 6. 7L Powerstroke. These extra heavy duty studs are rated at 220,000 psi tensile strength and provide the clamping force required to keep your 6. 7L Powerstrokes cylinder heads from lifting due to higher combustion pressures. The ARP Head Studs are manufactured in ARPs Santa Paula, CA plant from proprietary ARP 2000 material, with threads rolled after heat treating to