![Rigid Collar - Mitsubishi Evolution X (CZ4A)](http://aj-racing.com/cdn/shop/products/rigidcollar1_3d361d00-5712-4ba0-b56a-606f31a6953c_{width}x.png?v=1671671265)
Inserts into the subframe mounting holes to fill the 2mm gap around the bolts to provide a tighter fit. Prevents subframe from moving and rattling under load. Reduces wobble of the steering wheels with uneven pavement. Sharpens suspension feel and increases chassis rigidity.