Accu Seal E Oil Pan Gasket for Chrysler 383-440ci Including 426 Hemi. Material: .093″ Rubberized Fiber; Thickness: .093″. This oil pan gasket is made of a premium high rubber content material, compressible and resistant to splitting under load. Since Nitro-Methane fuel dissolves nitrile rubber we suggest you see our steel core oil pan gasket for the Racing Hemi. Compare this part to Fel-Pro 1808, Mr. Gasket 397. Package Contents: 1 Piece.