Moog K700531 Stabilizer Bar Link Kit Problem Solver design includes premium polyurethane bushings for enhanced durability and performance. Barrel nut provides proper thread engagement for easier installation. Nested washers help keep bushings centered during installation. Solid black anodized T6 aluminum hex spacer provides superior corrosion protection and provides easier removal. Black phosphate grade 8 bolt provides superior strength and corrosion protection. Black phosphate barrel nut and washers provide corrosion protection.