Want to convert your transmission to a factory mechanical speedometer? We have everything you need. From a 4L60E to a T-56, we have mechanical speedometer conversion kits that are not only high performance but also extremely easy to install. These speedo conversion kits are designed to prevent interference with the stock configuration and VSS capabilities. As one of the leading online shop for aftermarket modification and performance enhancement parts, we offer products with guaranteed quality and prices. Check out our list of products to find out if we have the speedo conversion kits to fit your requirements.