Hotchkis 2281R User Manual
2281R 1978-1988 GM A Body
2281R
1978-1988 GM A/G Body
Extreme Rear Sway Bar
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Please call us at (877) 4NO - ROLL if you have any questions
regarding the service or installation of your Hotchkis products.
Before You Start
Please read this entire instruction manual before starting. Being prepared with the right tools
and procedures will aid in the ease of this installation.
This sway bar kit requires Hotchkis Trailing Arms (p/n 1301) to be installed beforehand. You
will not be able to install this kit using stock trailing arms due to end link interference.
1. Raise Rear of the Vehicle
To properly install the rear sway bar you must have the rear suspension at ride height.
Please use a 4-post lift or alignment rack to raise the vehicle. If these are not available,
you may use floor ramps to gain access to the underside of the vehicle. Floor ramps
can be found at most local auto parts stores.
2. Install Hotchkis End Links
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Hotchkis Sport Suspension LLC. 1
2281R 1978-1988 GM A Body
Lube the polyurethane bushing surface on both dogbone end links. Look at your
dogbone and notice that the bushing sleeves on each end have different inner
diameters. The trailing arm bolt will use the small sleeve and the sway bar bolt will use
the large hole. Use the 7/16” x 4” bolt to attach the end link to the trailing arm. The bolt
should be pointing inboard. Use the 7/16” SAE washer (small) on the bolt head side
and the 7/16” USS washer (larger) on the nut side. Do not fully tighten at this time.
3. Attach Sway Bar to the End Links
Orient the sway bar so that the Hotchkis sticker is right side up. At this time you can
choose the stiffness setting by using the hole at the end for a softer setting or the 2
hole from the end for a harder setting. Use the ½” x 3” bolt to attach the sway bar to the
end link. The bolt should be pointing inboard. Use the ½” SAE washer (small) on the
bolt head side and the ½” USS washer (larger) on the nut side. Do not fully tighten at
this time.
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4. Install Axle Brackets
First step is to install the provided stainless steel U-bolts. Each U-bolt will install a little
inboard of the spring mount. You will have to unclip the brake line from the axle tab and
Hotchkis Sport Suspension LLC. 2
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