This fits provided that you already trimmed your battery tray, or using a shorter then OE battery tray. Print them out of ABS or a material that can hold up to the temperatures in the engine bay.
Use a 20mm tube out of the material of your choice (picture is carbon tube) and trim it to length.
-Remove nut from firewall side, slip the smaller end on and put screw the nut back on. -Slip in the tube/rod -Put on the larger end and screw it down -BAM, You're done