I have used the middle of the K-Member in the front and the rear end in the back in my 13 and also on my 10 when I had it. My AC Delco Jack Stands fit in the jack stand points in the front and I set the rear on the Axle next to the lower control arms, I always use a block on the jack and use old wax pads on top of the stands on the front.
2013 V6 MCoA, Performance Package, Security Package, Comfort Package and Electronic Package.
Mods OEM Backup Camera, BBK Shorties, FRPP Cut and Clamp X-Pipe, Borla Touring A/B's, Airaid CAI, Axle Xchange 2 piece aluminum Driveshaft, Koni Sport Shocks and Struts, Vogtland V6 Leveling springs, Ford Racing 302s wheels wrapped with Continental 275/40 19's, JBL GTO 8628 6X8 in all 4 corners. 2013 F 150 FX2 With a 6.2 Boss