This Cometic MLX head gasket is specified for Ford small block Windsor V8 SVO heads with a 4.010in bore and .040in thickness. MLX technology includes an integrated stopper layer to improve combustion sealing and increase clamp load locally without raising bore distortion. The gasket is designed to seal properly without sealants or re-torque after installation.
Cometic Ford SB 289-302/351 SVO Head 4.010in Bore .040in MLX Head Gasket