Moog K8749 Ball Joint Problem Solver powdered metal gusher bearing design enables grease to flow through the bearing to the stud for reduced friction and enhanced strength and stability. Problem Solver patented cover plate design allows for tighter tolerances vs traditional cover plate designs, providing a more durable and extended life part. Belleville washer preload provides lower torque and stud articulation with minimal axial clearance. An enlarged ball joint receptacle in the control arm can cause a loose ball joint fit. Moog Problem Solver design includes an oversized housing for a more secure fit. Greaseable socket design allows new lubricant to flush contaminants from the assembly, reducing corrosion and wear Polyurethane boot offers durability and resistance to extreme temperatures. Fits 1996 - 1998 Ford Mustangs Use with 2-wheel drive vehicles Improves chassis performance and durability Easy to install