OER Parts offers a wide selection of Battery Accessories for your 1973 Ford Gran Torino. OER Parts offers 1973 Ford Gran Torino Battery Tender, 1973 Ford Gran Torino Battery Managment System, 1973 Ford Gran Torino Dual Battery System Controller Set, and 1973 Ford Gran Torino Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller