aFe Power 410-401001-A PFADT Series Lowering Kit CNC Machined Stainless Steel, Articulating Ball Stud For Perfect Alignment Between Foot and Stud Stud with Wrench Flats For Years Of Durable Service, Nylon Foot Pads For Smooth Articulation and Quiet Operation Lowers Up to 1.25" Drop Direct Fit, No Modifications Necessary Manufactured and Assembled in the USA