Gearbox Mount Road Version SpecificationsThis uprated mount for Nissan 350Z is designed to filter vibrations and reduce gearbox movement for improved handling and easier shifting. Made of aluminum and equipped with a polyurethane bush this gearbox mount is significantly stronger and stiffer than the stock Nissan part.The polyurethane used has a hardness of 70 ShA on this product making it ideal for sporty road driving but also in case of a power increase or for an engine swap. For track or competition use we recommend choosing the uprated gearbox mount with 80 ShA hardness also available.