Mr. Gasket Graphite, Steel Cylinder Head Gasket - 5716G Part #: 5716G Line: MRG Mr. Gasket Graphite, Steel Cylinder Head Gasket 90 Day Limited Warranty Quantity: 1 Bore (in): 4.100 Inch Head Gasket Material: Graphite, Steel Engine Make/Size: Chevrolet Small Block Gen-II (LT Based) Head Gasket Thickness (in): 0.026 Inch Show More Show Less