Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket - C5751-140 Part #: C5751-140 Line: CMT Cometic Multi-Layer Steel (MLS) Cylinder Head Gasket Manufacturer's Defect Warranty Quantity: 1 Bore (in): 4.060 Inch Bore (mm): 103.12mm 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): 3.55mm Head Gasket Thickness (in): 0.140 Inch Show More Show Less