Norco Differential Adapter is for use with model 72000E, 72000Ei, 72700A, and 72701 transmission jacks. This adapter fits most differentials and replaces the universal saddle when used. Norco charges a limited access fee for shipments to military bases, schools, churchs, and all other gated areas, as well as charging a substantial fee for re-delivery of order, lift gate use, and residential delivery. Also, local sales taxes will be applied to ALL Norco orders shipped to California.