UMI Anti-Eccentric Washers, Rear Toe Rods, Lower Control Arms



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UMI’s 2518 anti-eccentric washers are designed to prevent unwanted alignment changes in your 5th Gen, Chevy SS or G8 rear suspension. The 3/16” thick laser cut washers fit in the exact factory location and provide a stable location for UMI (or other aftermarket) adjustable toe rods or adjustable rear lower control arms. Racing stress or hot street cornering can move the offset factory washers causing rear alignment issues. UMI’s 2518’s are a great way to increase rear suspension reliability. Kit includes 4 laser cut black zinc coated washers, anti-eccentric washers should only be used on adjustable components. P/N 2518 fits rear toe rods or rear lower control arms. Four washers will work on a pair of toe rods or control arms. 100% manufactured, tested and raced out of Philipsburg, PA – USA.

Installation: Washers reuse factory GM bolt. Simply remove the factory eccentric washer and press in place the new UMI washer.


Red, Black


Manual, 4l60e, Th350, Th400, 4l80e


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This product fits the following vehicles

Item may also fit vehicles not listed below.

Year Make Model Engine
Year Make Model Engine
2008 - 2009 Pontiac G8 6.0/6.2
2010 - 2015 Chevy Camaro 6.2L
2014 - 2017 Chevy SS 6.2L LS3

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