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 .040" MLS Cylinder Head Gasket, 95mm Bore, .004" Head Power Ring Shim, 10R80 10-Speed Automatic Transmission Only, LHS.
Cometic Ford 3.5L Ecoboost Twin Turbo 95mm .040 inch MLS Head Gasket - Left
Cylinder Head Gasket; 95mm Bore; Left Hand Side;
Ford 3.5L Gen-2 EcoBoost Cylinder Head Gasket
Ford 3.5L Gen-2 EcoBoost Cylinder Head L
Cometic Gaskets- Cylinder Head Gasket
Engine Cylinder Head Gasket
Cylinder Head Gasket
Head Gasket