Note: Battery Box, 13 1/2 Inch Length X 9 1/2 Inch Width X 10 Inch Height, With Mounting Hardware, Satin, Aluminum. Complies With NHRA Rule 8:1. Fits Most Battery Sizes. Design Allows Access Without Removing The Battery. Hard Mounts Battery To Frame With 0.375 Inch Bolts. Welded Heavy 1 Piece. Comes With Battery Hold Down And Hardware. Compatibility: Most Battery Sizes.