haha aluminum is very strong, but for suspension i much rather prefer steel. install was very easy for mine. the only issue being getting the strut back in place with the added space on it. you should have a much easier time getting it in there since its only 1.5" and you can also hammer out the lower mounting bolts for more clearance to get them in easier.
2013 F150 FX4 SCREW Sterling Gray Metallic
"When the power of love overcomes the love of power, the world will know peace.." -Jimi Hendrix