Option Parts For BD8, An Integrated Aluminum Suspension Mount For Use On The Rear Side Of The Front Suspension. By Replacing The Resin Bush (B8-301BS 700), It Supports From 43.5mm To 46.7mm Between The Suspension Pins. By Replacing The Standard Kit Separate Type, The Rigidity Around The Front Increases, Which Is Effective For Adjusting The Front And Rear Grip Balance And Steering Response.