Only one of the four seat brackets for the S2k seat will match up with the body and you have to flatten the bend in it. You can either use the front left or right it just depends on where you want the seat situated. I didnt use the same side bracket on the passenger seat because I wanted to push the seat closer to the passenger door to give me, the driver, a little more room on the center arm rest. Its only 3/8 to 1/2 inch but that is prime real estate when driving with another dude. Once you figure out which S2K front bracket you want to keep, and not modify, in the front remove the remaining three. Drill the rivets out on the SC seats and bolt 3 of them in the car. One front and both rears. Set the S2K seat in and bolt it down. Figure out the correct angle for the seat and Tac the brackets to the rail with a welder. Remove the seat and finish welding outside the car. The S2K rails are 15" long compared to the SC300 which are around 14" long. This makes one of the rear seat bolts difficult to get to but you just have to use a regular wrench. The seatbelt bracket has go be grinded down on the lower corner a bit to be able to move properly. One of the seats brackets are welded from the factory on the sides, you will have to grind that off too. But the seats are great, they are comfortable and sit at a great height. Again if you are not near the 6 foot range you might sit too low so keep that in mind. Weight savings are huge also. Its a little louder in the cabin now because of the loss of insulation. So to do this swap you will need a 14 mm wrench, a mig welder, a 3 inch cutoff wheel, Drill bits, black spray paint, and S2K seats.