2011-2022 Powerstroke 6.7L ARP Main Stud Kit Tuning & Electronics 2020-2021 Powerstroke 6.7L O-ring ensures a tight fit

O-ring ensures a tight fit prevents contaminates entering your fuel tank

This works well for stock trucks but for heavy duty use and higher horsepower applications this may be insufficient

No actuator calibration programming required

Increases clutch count without sacrificing part strength

9L Screamer is capable of up to 625hp and can work with any "box" tuner

2011-2022 Powerstroke 6.7L ARP Main Stud Kit Tuning & Electronics 2020-2021 Powerstroke 6.7L O-ring ensures a tight fit2011 2022 Powerstroke 6. 7L ARP Main Stud Kit Do it once, do it right with ARP. Features Increased Strength over OEM Increased Durability 200,000psi Tensile Strength 8740 Chromoly Socket Size(s): 11 16 12pt,14mm 12pt,3 16 Allen, 5mm Allen