LMR 1979-25 mustang upr battery relocation new never used asking 160 obo Relocating the battery from the engine bay to the trunk of your Mustang helps the redistribute weight from the front to the back. Putting more weight on your Mustang’s rear axles will help improve launches and lower ET’s. Not only does it help make your Mustang faster on the race track, but it also cleans up the engine bay for a nice minimalist look under the hood. UPR’s aluminum Mustang battery relocation kit is the lightest and best-designed battery box for strength, function, installation, and appearance! The UPR battery relocation kit is NHRA 8.1 Legal, comes with 16′ of 2 gauge positive wiring, 4 gauge negative battery cable, 3/8″. 375″ Thick Hold Down (Strongest Made), PVC Protective Film Coating, and is an overall size of 13-1/8″ W x 9-1/8″ L, 9-3/4 H.