This is a direct fit, steel battery box. This is designed to replace the plastic setup that comes stock. This box will bolt right in and will have a new steel mounting bracket for the fuse box as well. It is designed to house a red, yellow or blue top Optima group 34/78 battery however, others may fit as well. Tig welded
Battery size spec: L 9.9"x W 6.8"x H 7.8"