hia mate I cant remember exactly the spacings for the clips on the skirts, but I used a guide someone put on here, I think there is a clip right in the middle and every other clip is 300mm centers off the center, the two end clips are 350mm centers from the others (I think) best thing to do is messure the center of the mounting points on the skirt itself to make sure hope that's clear. the part that I know is correct is the hight of the clips on the sill if you look at the clips they have a step in them with a definitive line that line sits 4mm below the line on the sill where the texture of the paint changes (the bobbly stuff) apart from that I used 4mm rivits to fix the clips. (warning) be careful when drilling the sills I snaped a bit and ran the rest of the drill bit up my passenger door !!! as luck would have it the car was wrapped and it took the brunt without damaging the paint take ya time.
Cheers for the info. Will look into it with a bit more detail when i get the skirts back from paint.