Spicer 30185 Pinion Lock Nut Spicer genuine OE replacement Pinion nut 3/4-16 UNF American motors eagle 1987-80; Chevrolet blazer 1974-69, c10 panel 1967, c10 pickup 1968-67, c10 suburban 1980-60, c20 suburban 1980-60, Camaro 1994-84, corvette 1997-80, g10 van 1972-64, k10 1980-75, k10 pickup 1974-60; more