Billet Specialties battery mounts secure your high performance battery with style. Machined from 6061-T6 billet aluminum for strength, Billet’s battery mounts hold the battery firmly in place and provide a rigid 4-bolt base to mount to the vehicle. Recessed bottom tray locates battery firmly in place. Stainless steel hold down mounting hardware. Fits Red or Yellow top Optima Batteries (Group 34/78). Made in the USA. This listing does not include the battery. You can view and download the complete assembly instruction booklet. We also have this same Battery Box in a. We have numerous other Billet Specialties items available, as well as many of their complete front engine kits. We also have thousands of other High Performance Parts in our. We want you to have the parts as bad as you do.