Ease of installation was the reason we went back to the drawing board to design the rear mount version of our popular group 34 Optima battery mount. Don't mess around with a mount that doesn't come close to the quality, and durability of our 34 series Optima Battery mount! Available Inch many other configurations, it's no wonder we have never had an unsatisfied customer. Order today and enjoy years of rock solid performance For your investment. Mount must be installed correctly, and used For it's intended purpose For warranty to be honored, original purchaser only. Also, check out the hardware For mounting your new Hardcore Optima Battery Mount Features / Options include: Rear mounting design enables you to secure your 34 Series Optima Battery to any vertical surface keeping the battery horizontal. One piece design, carefully engineered For lighter weight and added strength. Battery fits snug, eliminating movement that causes premature wear and shorter life. Window to easily view battery specs. CNC Cut from 10GA. (.130) Cold Roll steel plate Includes self-clinching (PEM) nuts pressed onto the mount Finish: Bare Steel 5 - 1/4 inch bolts w/ nylock nuts included For securing battery Mounting: 6 - 1/4 inch holes Inch bottom wings or direct weld LifetimeNo-Hassle replacement!