PMC Motorsport Solid Aluminium engine mounts (mountings) / Polyurethane Bushes BMW E12 (M20) / E21 (M20) / E30 (M20) (6CYL) version - Polyurethane 70ShA
Bushes are made of light aluminum alloy and polyurethane.
Due to its properties, polyurethane is several times more durable than rubber bushings: resistant to temperature differences, acids, oils, solvents, and weather conditions.
Recommended for cars prepared for motorsport.