Blue Billet Aluminum Battery Tie Down For Honda Civic Acura Rsx Ep3 Dc5 Si Made from Weapons Grade Billet Aluminum. Will work with stock mounts as well as OEM and most aftermarket batteries. Tie downs are anodized for a long lasting, brilliant finish. Sickspeed is proudly displayed on the surface. Largest width of battery this is designed to accommodate is 175mm (6.9")