Detroit Axle - New Front 2-Piece Upper Control Arm & Ball Joints + Both (2) Lower Ball Joints - Ford Explorer- 10 Year Warranty - Torsion Bar Suspension Only&hellip;&hellip; Both 2 Front Upper Control Arms 2-Piece Control Arm Design Both 2 Lower Ball Joints Detroit Axle is a leading supplier of ride control products to OE vehicle manufacturers Nationwide, that expertise translates to Detroit Axle's OE-quality Aftermarket