Fel-Pro ES72155-1 Engine Cylinder Head Bolt Set

Avoid head gasket failure with Fel-Pro Head Bolts. Engineered to stretch within a specific controlled yield zone for added strength. Bolts spring back to provide the precise level of clamping force needed. Cold-formed and heat-treated prior to thread rolling for added durability. Allows for cylinder head retorquing. Fel-Pro bolts then spring back to provide the precise level of necessary clamping force. FelPro Head Bolts are engineered to stretch within a specific controlled yield zone for added strength to help your ride avoid head gasket failure. Fel-Pro bolts then spring back to provide the precise level of necessary clamping force.