System Features Ford 351M/400/429/460 Saginaw Power Steering Add-on KitBullet PointsThis kit requires compressor bracket kit (137000) or (137020) for mounting.Due to the wide range of accessory options and pulley diameters, you will need to measure your pulleys to get the proper length V-belts.Saginaw pumps require single-groove pulley Dorman 300-122 due to larger shaft size. Ford pulley could also be bored out to 0.746 to fit shaft." Instructions Installation Instructions download Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65