Shackle Reversal Kits - www.jackit.com

Mountain Offroad Engineering Shackle Reversal Kits

This information applies to both CJ and YJ vehicles.

Why install a Shackle Reversal System (S.R.S.)? Because it allows the front suspension to travel in a much more natural action when the spring compresses. In stock form (shackles in front of the front axle) when the front tire comes in contact with an obstruction, the impact is partially transmitted back to the frame via the solid rear pivot point. Reversing the pivot point to a point in front of the axle allows the impact to be better absorbed by the spring and shackle. The result is a more natural suspension flow over the obstacle. At higher speeds, a smoother ride and improved handling is noticeable, less wandering and darting are some other advantages.

All M.O.R.E. S.R.S. have a very important design feature built into the new front pivot brackets. They move the front axle forward from the stock location. Why? When the shackle is reversed to behind the front axle it will swing rearward and the tire will move slightly aft as the suspension compresses. Pushing the wheelbase forward will help keep the tire from contacting the fender during suspension compression. This is the only correct way to build a reversal system. Due to the action of this suspension movement, the front drive shaft needs to have more slip-yoke travel then stock (almost double!). With this in mind, the front drive shaft will have to have a longer travel slip-yoke installed by a profession drive line builder. Also, a stock pitman arm should be retained (no drop).

All bracketry is manufactured from .250" thick steel, cut with high definition plasma, holes punched (not drilled), and precision bent to exact tolerances, all on CNC equipment, assembled in fixtures and pulse-welded for superior strength. No wimpy stuff here! Built to handle the abuses of gung-ho Jeepin'. Then the completed brackets are cleaned, and painted with Hammerite "Hammered Black" paint. All hardware is included, and complete instructions with several pictures are provided.

For the do-it-yourselfers, we offer our Shackle Reversal System bare steel. None of the parts have been painted or zinc plated. This saves you money and allows you to customize your rig with any color you desire.

For the budget minded, we also offer them in "Kit" form. All of the pieces of build your own S.R.S. are included. If you are a welder/fabricator and can handle the assembly of the pivot brackets, weld them together by using your Jeep frame as a jig. We've done all the cutting, punching or hole and slots, bending and most importantly, geometry for correct axle placement. All hardware is included (no paint or plating) along with detailed instructions for assembly.


The above photo shows a 1994 YJ Wrangler with a Warn Black Diamond 3.5" lift and stock shackles mounted in the factory stock location.		This photo is the same YJ with our S.R.S. installed with Lube-able Shackles. Notice how the axle is forward from stock location.

	This S.R.S. fits 1976 - 1986 Jeep CJ-5, CJ-7, CJ-8 vehicles. Stock width springs (2") are required. The new front pivot brackets are fully welded, painted, and ready to bolt into existing holes in your CJ frame. Spacers (plastic) are provided for the purpose of different winch mounting possibilities, and/or if you want to use our frame plates. The shackles provided in this system are 3/8" thick steel, zinc plated gold. The mounting method for
	the shackles is unique with this system. You must drill a hole in each frame rail, then weld in 2" wide steel tubes. Polyurethane bushings insert into the tubes which support the shackle plates. The shackles hang from each side of the frame rails. This method of attachment keeps the drive shaft and caster angles as close to stock as possible, and gives ample clearance for off road obstacles. This system will work with stock springs and after
market "lift" springs, however, it will not provide any lift in itself. It will work with springs under the axle (stock set-up) or if you have installed the springs over the axles (custom).

1976 - 1986 Jeep CJ-5, CJ-7, CJ-8 vehicles. This system has all of the features as the system above, however it comes with wider (2.5") tubes to insert in the frame so you can install the wider Jeep YJ Wrangler springs. Why you ask? The Wrangler springs typically have a softer spring rate then CJ's adding flexibility and ride quality. This system comes with the pivot brackets fully welded and painted, all hardware and instructions included. Wider U-bolt plates not included.

1987 -1995 Jeep YJ Wrangler vehicles with ANY engine. The front pivot brackets are fully welded and painted. They bolt to the stock shackle mount and lower front bumper mounting holes and additional holes that you must drill in the frame. Your shackles mount to our unique shackle hanger that is adjustable (fore & aft) on the frame. This is important for all of the different leaf spring combinations available. It will work with or without a lift kit, spring under or over the axles. This S.R.S. will lift the front of your jeep one and a half inches. All brackets are fully assembled and painted, ready to bolt on. No welding required. Your shackles are retained. As with all of our Wrangler S.R.S., we recommend using our SlipLoc or Double Jointed track bar.

1987 - 1995 Jeep YJ Wrangler vehicles with ANY engine. The front pivot brackets are fully welded and painted. They bolt to the stock shackle mount and lower from bumper mounting holes and additional holes that you must drill in the frame. This S.R.S. mounts the shackle "through" the frame. You must drill a hole in the frame and weld a tube in it, then polyurethane bushings (provided) insert into the tube and the shackles (provided) hang from each side of the frame. This method will not lift the Jeep.

Offroad Unlimted Shackle Reversal Kits

ORU’s Shackle Reversal Kit relocates the front spring shackles to the rear of the springs. This allows the spring to move freely as it articulates without the opposing force encountered with the shackle located in the factory position at the front of the spring. The kit provides approximately 2-1/2 inches of lift and significantly improves ride quality. Longer front shocks & pitman arm (not included) are required (will not work with IFS).

Picture	Year	Make/Model	Description	Lift	Pricing
	86 - 91	Ford F-350	4X4 Reverse Shackle Kit	2.5"
	92 - 97	Ford F-350	Reverse Shackle Kit	2.5"

Warrior's Shackle Reversal Kits were designed to eliminate the poor driving characteristics that are prevalent in all CJ series Jeep sand Wranglers. No longer will you have that jarring, wandering, unsafe feeling after you've installed this system on your vehicle. Simply moving the front leaf spring shackle to the rear of the same spring creates amazing improvements in driveability. Our system is designed to create a safer driving vehicle under all conditions.

Year	Make	Model	Lift	Pricing
55 - 75	Jeep	CJ5	1.5"
76 - 86	Jeep	CJ5 & CJ7	0.5"
87 - 96	Jeep	YJ Wrangler	1"
76 - 86	Jeep	CJ (for 3" wide YJ springs)	0.5"
All	Suzuki	Samurai (If mount left on)	0.25" or 1.5"
63 - 80	Toyota	Landcruiser	—