KSB750 is designed to lock the rear subframe which allows for more precise alignment of the rear wheels and limits the amount of rear subframe movement under cornering loads which can result in poor dynamic alignment settings. The hardware can easily be installed and removed between motorsport activities. The kit will increase rear NVH as it effectively locks out the rear subframe bushings. It is designed for motorsport use only and should not be used for extended periods as it may lead to premature chassis wear.. Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.. Install guide included providing detailed instructions on how to install your new Whiteline purchase.. Whiteline 02-07 WRX / 04-07 STi / 93-00 Subaru Impreza Non-Turbo Rear Subframe lock kit. Suspension Subframe Bushing Kit. Whiteline Subframe - lock kit.. Whiteline Subframe - lock kit. Subframe - lock kit. Subframe Lock Kit

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