If you`re looking for a dependable gasket replacement for your car these copper washers from Autohaux are worth considering.As my tests showed, they provide a tight seal and are resistant to corrosion, making them ideal for high-performance vehicles. The copper material is ALSO a great conductor of heat, which is a bonus for those concerned with engine temperature management. The only downside is they can be a bit pricier than other gasket options on the market, but the added durability and performance make it worth the investment..