
PMF Superduty Spring Reverse Shackle Kit (1992-1997 Ford F250/350)
Super Duty Spring Reverse Shackle Kit (1992-1997 OBS Ford 4x4) Upgrade your 1992-1997 OBS Ford F-250/F-350 with the PMF Super Duty Spring Reverse Shackle Kit (RSK)—the first fully bolt-on conversion kit that allows the installation of 1999-2004 Super Duty leaf springs without modifying your frame or bumper. This kit is designed to improve ride quality, handling, and suspension travel, making your truck ride and drive like a 1999-2004 Super Duty. Key Features: True Bolt-On Installation: No frame or bumper modifications required—hangars bolt directly to existing factory holes. Optional bolt locations for additional clearance when installing an intercooler (requires drilling two 1/2” holes per side). Improved Ride Quality: Relocates the shackle to the rear of the spring, eliminating resistance when hitting bumps. Uses longer Super Duty leaf springs, allowing smoother suspension movement. Three Lift Height Options: The kit itself provides lift, but final ride height will also