I installed the OME MT64 myself with the help of friends and by far the most difficult part was loosening the stock UCA bolt. It is torqued on there pretty good so definitely use a breaker bar and/or cheater bar to break it loose. Just remember to put load on the suspension before you torque...
I'm only 6'0" but i have a long torso and the sunroof impeded on headroom. The front row I was very close to making contact with the roof and then in the backseat I wouldn't be able to lean forward with the sunroof hump. Luckily, my dealership got an allocation for an ORP with just the tow tech...
How do you like the IMS? Also where did you get those spring options? The closest I see on their site is 2.25" front lift and no lift in the rear. Otherwise they have a 1.5" lift in the rear.
I used these instructions to install my A119 Mini 2 in my 4runner. These instructions are for a sienna (which i also have) but the only difference is the stock 4runner dash cam connector in the overhead console is white on the left/driver side, instead of blue like the pictures illustrated in...