Transfer case to transmission adapters kits ............All STEEL, NO Aluminum ever!! No threads to strip out, every adapter is made from A36 steel plate. Adapters are fully TIG welded & measures. 3 inches face to face. any clocking available, per customer request at no extra charge.......Kit includes, all steel adapter, new pto cover, new smw intermediate 31 or 32 billet shaft made from 8620 gear steel, all bolt hardware Special order