Eccentric bolts are used to adjust the fine positioning of control arms and lock it into place. In this way, your vehicles alignment is adjusted and set. After several years and seasons, these bolts may become seized and corroded.
The stock eccentric bolts provided by BMW and Toyota for small toe adjustments tend to slip under high cornering loads, causing changes to the rear alignment. SPL Parts Eccentric Lockout kit eliminates the stock eccentric bolts to keep your rear alignment where you set it.
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