Ok this will be packaged into our Street Killer rear end package But I can make it available now for those needing the extra Torqueload handling that this unit can provide. This is a Factory Replacement Piece and Includes New Flanges for the Output Shaft on the trans and the Pinion gear. It is constructed out of 4130 Chromemoly and able to withstand severe duty. Retail Pricing is $1195.00