Cometic Copper Cylinder Head Gasket - C15408-050 Part #: C15408-050 Line: CMT Cometic Copper Cylinder Head Gasket Manufacturer's Defect Warranty Quantity: 1 Bore (in): 4.100 Inch Bore (mm): 104.14mm Head Gasket Material: Copper Cylinder Head Bolts Included: No Engine Make/Size: GM LS Gen-III/IV Small Block V8 Head Gasket Thickness (mm): 1.27mm Head Gasket Thickness (in): 0.050 Inch Show More Show Less