Manufactured by McGaughys | 98020 | 2007-15 Toyota Tundra Upgrade Kit To Convert A 2/4 Economy To A 4/6 Deluxe (Spindles, C-Notch, & Use Stock Shackles), , McGaughys started off manufacturing suspension parts for classic Chevy cars but over the years they have evolved into a full line suspension manufacturer including Lowering Suspension, Lift Kits as well as Classic Car Suspension parts. Product information updated on 2023-05-17