DNA Motoring BATTSHORTRD Battery Tie Down Mount Bracket Made of CNC Machined Aircraft Grade Billet Aluminum Anodized for a Long Lasting Finish Fits Batteries with a 5.093" or Less Width. Perfect for 51 and 51R Batteries Bolt Center To Bolt Center Length - 5.75" (145mm) Tie Down Bracket Overall Length - 6.75" (170mm)