Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket - C5475-066 Part #: C5475-066 Line: CMT Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket Manufacturer's Defect Warranty Quantity: 1 Bore (in): 3.910 Inch Bore (mm): 99.31mm Head Gasket Material: Multi-Layer Steel (MLS) Cylinder Head Bolts Included: No Engine Make/Size: GM LS Gen-III/IV Small Block V8 Head Gasket Thickness (mm): 1.676mm Head Gasket Thickness (in): 0.066 Inch Show More Show Less