Detroit Speed offers lowering hubpack uprights for a variety of application, including many Ford and Mercury cars from the 1970s, '80s, and '90s. They upgrade the Fox Body platform with modern handling, braking, and steering performance. Designed for premium builders, fabricators, and enthusiasts, these forged aluminum uprights provide a 2 in. drop, optimized suspension geometry, and compatibility with S550 Mustang brake systems. These kits deliver superior stability, precise steering response, and the durability needed for high-performance applications.

* LOWER, STRONGER, AND MORE CAPABLE: Built-in 2 in. lowering improves stance while enhancing cornering ability and weight distribution. The forged aluminum construction ensures strength and rigidity, eliminating deflection for sharper handling. This design allows for greater confidence in aggressive driving and track conditions.
* SUPERIOR BRAKING and STEERING RESPONSE: These uprights support S550 Mustang OE and aftermarket brake systems, delivering modern stopping power with increased pad and rotor options. The hubpack bearing system eliminates spindle pin flex, allowing for later, more controlled braking. Optimized Ackermann and bump steer geometry reduce unwanted toe changes, giving precise turn-in and high-speed stability.
* EASY, BOLT-IN INSTALLATION: This bolt-on system includes all necessary mounting hardware, making installation seamless for performance-focused builders and fabricators. Designed for track, street, and autocross applications, it's a game-changing upgrade for serious Fox Body enthusiasts.
* FEATURES AND BENEFITS:
-- 2 in. drop-forged aluminum uprights for enhanced geometry and stance
-- Optimized Ackermann and bump steer geometry for sharper, more responsive steering
-- Hubpack bearing system eliminates spindle pin flex and reduces maintenance
-- S550 brake mounting compatibility for superior OE and aftermarket braking options
-- Utilizes stronger SN95 ball joint for improved durability and handling precision