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ADDCO 631U 1" Rear Swaybar for 99-01 GM Silverado/Sierra

Catalog #: 76059.357
ADDCO Part #: 631U

ADDCO Manufacturing Company produces the world's widest line of automotive anti-sway bars and associated components. In addition to being the recognized leader in after-market suspension parts, they are also a proven, high quality provider to the OE market. With more than 40 years of experience in the suspension industry, ADDCO has achieved ISO 9001/QS-9000 certification, and has earned the unqualified confidence of leading manufacturers.


With the addition of a set of ADDCO anti-sway bars, body roll & understeer will be greatly reduced. The result is safer, more balanced suspension. Constructed of high carbon steel that is hardened and stress relieved. Brackets are made of die-formed, 12 gauge steel with fully enclosed bushings. All sway bars come with replacement bushing kits.

Installation Notes
Installation Difficulty:
Level 1Beginner
Installation Time: 1-2 hours
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