2001-2020 GM 6.6L Duramax Coolant Block-Off Plate - Billet Aluminum - Black Transmission Conversion Kit|Transmission|Drivetrain & Differentials Independently tested and verified tensile

Independently tested and verified tensile strength of over 231

these Studs out-perform even the most venerable manufacturer

Turbo Water Inlet Fitting M18 X 1

(26) M12 Flat washers (22mmOD)

Boost Elbow

2001-2020 GM 6.6L Duramax Coolant Block-Off Plate - Billet Aluminum - Black Transmission Conversion Kit|Transmission|Drivetrain & Differentials Independently tested and verified tensileThe OEM block off plate uses a gasket and can leak over time. The PPE billet block off plate is thicker and uses an O ring seal. The O ring is made from Viton more maximum longevity. The PPE billet block off plate installs using the OEM fasteners.