The Cognito Motorsports 110-91316 is a Leaf Spring Top Plate Conversion Kit designed for 2025–2026 Chevrolet Silverado 1500 and GMC Sierra 1500 2WD/4WD trucks. Starting in the 2025 model year, GM updated its factory trucks with a rounded rear leaf spring top plate paired with round U-bolts. This kit converts that rounded top plate back into a traditional flat square design, allowing truck owners to use standard, square-style GM U-bolts required by most aftermarket lift blocks and leveling kits
Converts 2025-26 GM 1500 top plate back to the flat top plate to use with traditional GM square u-bolts.
For trucks that have a 2025-26 GM 1500 lift or leveling kit that has a block and u-bolt.
2025-26 GM 1500 trucks are coming with a rounded leaf spring top plate and u-bolts, this allows anyone with a lift or leveling kit that has a block and u-bolt kit to convert back to the flat top plate to use with traditional GM square u-bolts.