Aftermarket Dana 30 Hub Oil Seal
1966 - 69 1/2: Has a flat surface on the back side of the seal. 1969 1/2 - 1972: Has a groove in the back side of the seal.Outer Diameter: 3.256 inWidth: 0.25 inBore: 3.251 inBoretite: YesShaft: 2.5000 in