Astro Pneumatic 7847 Power Steering Pump Pulley Kit Works on Ford, GM, and Chrysler vehicles with Saginaw Gear Fits 1-1/8", 1-1/4", 1-5/16", 1-3/8" Pulley hub diameter Covers 1988 to current GM cars equipped with Quad 4 engines Covers 1991 to current GM minivans with 3.1L and 2800 V-6 engines Covers 1991 to current Ford 4.6L engines with a metric shaft