Customers love these transmission shift kits and transmission pressure springs for a number of reasons. For starters, they provide a quicker, smoother shift for your vehicle regardless of how you are using it. Manufactured with premium materials, the kits and springs are also highly durable and sustainable providing an intriguing compatibility with Allison 1000 transmissions. Not only do they perform admirably functionally, but they're easy to install as well. Some shift kits can be installed without the hassle of removing the transmission. While it may be quicker than other transmission part installations, please feel free to contact us if you have any questions about installing any of the transmission shift kits and transmission pressure springs we offer. Our expert team will be more than happy to help you!