THIS IS A USED ORIGINAL GM 8.5 8.6 3.08 RING AND PINION.  WORKS ON 1980-2018 VARIOUS CAPRICE, IMPALA, ROADMASTER, FLEETWOOD, SIERRA, YUKON, AND SILVERADO VEHICLES.  THANKS FOR LOOKING AND CHECK OUT OUR EBAY STORE FOR OTHER GREAT DEALS!!!!!!!!!!!!!

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