The HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block.
Ford 3.5L Gen-2 EcoBoost .040in. HP Cylinder Head Gasket; 97.5mm Bore; 10R80 10-Speed Automatic Transmission Only; RHS
Ford 3.5L Gen-2 EcoBoost .040" HP Cylinder Head Gasket, 97.5mm Bore, 10R80 10-Speed Automatic Transmission Only, RHS
An additional HP Shim Layer can be added to provide increased stress around the combustion seal
Cometic Ford 3.5L Gen-2 EcoBoost .040in HP Cyl Head Gasket-97.5mm Bore-RHS
Proprietary high temperature coatings along with embossments
Ford 3.5L Gen-2 EcoBoost Cylinder Head Gasket
Ford 3.5L Gen-2 EcoBoost Cylinder Head R
Coated On Both Sides w/Viton
Engine Cylinder Head Gasket
Cylinder Head Gasket