As everyone was so excited to get the brackets delivered, it appears that not all of the necessary hardware was shipped out. I seek to remedy this by telling you what you'll need:

1) You're going to need ~16 of the washers on the left. Try to choose ones that are at least 2mm thick and SS for corrosion resistance. They serve to go between the car's body panel and the back of the bracket. You shim with them to give yourself clearance to get at the back of the hardware and have enough adjustment room for your pins to go out far enough, or be recessed in enough, depending on your need. Having 4 for each mounting point is recommended. I plan on using 3, but better to have more than needed over less.
2) Most of you will need 4 of the large diameter washers on the right. You'll need two for each stud you mount on the brackets. I'm using both slots on the brackets, so I need 8, but I understand many of you are only using the one slot on the bracket and using the other fix for the location nearer the tire. These are VERY IMPORTANT because if the washers you use to mount the studs are too small in diameter, you won't be able to use the full range of adjustment afforded you by the slots. We made the slots large on purpose for this very reason: a lot of adjustability. Also very important: take a stud with you when you get these to MAKE SURE it'll fit inside the hole. I've found that some of my washers are loose and others are very tight, even though they're the identical part number. The manufacturing of the washers apparently has a fair amount of variance in those holes, so CHECK EACH ONE YOU BUY.
Here's how everything goes together:

You can use a lock washer and a regular nut on the back, or a nylon locknut. I personally found that the nylon lock nuts are lower profile, so give more room to work. According to Raider, your studs are the same as mine: 1.25" long, M6 x 1.0 thread, but make sure to bring a stud along to check everything you buy! Other Pics:

(with nylon locknut - only hand tight - it can go down much farther)

(with a lock washer and a regular nut)

(Front side with a SS nut instead. I'm probably going to use all SS nuts instead of the black ones, just for consistency).
So, takeaways:
1) Get ~16 2mm thick SS washers for shimming between the bracket and the car panel. I recommend removing one of those bolts from the car to ENSURE the holes on these 2mm thick shimming washers will allow the bolt to fit through.
2) Get 2 large diameter SS washers for EACH stud you plan on mounting in the slots of the brackets. If you're only going to use one bracket slot per side, get 4; if you're going to use both bracket slots on each side, get 8. MAKE SURE you take a stud with you to ensure it fits through the washer holes, as I've had them vary in size even on the EXACT SAME part #.
3) You can use the regular nuts and lock washers already provided for the back side of each bracket, or you can get 1 nylon SS locknut for the back side of EACH stud you plan on mounting in a bracket slot. So you'll need either 2, or 4. These are M6 x 1.0 thread pitch nuts, just like the studs. Again, BRING A STUD to test fitment.
Hopefully this all makes sense. We're REALLY sorry about the inconvenience, but throwing this all together required a lot of work on the part of a lot of people. It makes sense a few minor things slipped through the cracks; nothing a quick trip to ACE won't solve.
@Raider
@nekret
@superman
@VTMongoose
@monkey.bones.007
@jdutch
@CGPhotographers
@Darthxar
@Mastermind46
@Lazuras29

1) You're going to need ~16 of the washers on the left. Try to choose ones that are at least 2mm thick and SS for corrosion resistance. They serve to go between the car's body panel and the back of the bracket. You shim with them to give yourself clearance to get at the back of the hardware and have enough adjustment room for your pins to go out far enough, or be recessed in enough, depending on your need. Having 4 for each mounting point is recommended. I plan on using 3, but better to have more than needed over less.
2) Most of you will need 4 of the large diameter washers on the right. You'll need two for each stud you mount on the brackets. I'm using both slots on the brackets, so I need 8, but I understand many of you are only using the one slot on the bracket and using the other fix for the location nearer the tire. These are VERY IMPORTANT because if the washers you use to mount the studs are too small in diameter, you won't be able to use the full range of adjustment afforded you by the slots. We made the slots large on purpose for this very reason: a lot of adjustability. Also very important: take a stud with you when you get these to MAKE SURE it'll fit inside the hole. I've found that some of my washers are loose and others are very tight, even though they're the identical part number. The manufacturing of the washers apparently has a fair amount of variance in those holes, so CHECK EACH ONE YOU BUY.
Here's how everything goes together:

You can use a lock washer and a regular nut on the back, or a nylon locknut. I personally found that the nylon lock nuts are lower profile, so give more room to work. According to Raider, your studs are the same as mine: 1.25" long, M6 x 1.0 thread, but make sure to bring a stud along to check everything you buy! Other Pics:

(with nylon locknut - only hand tight - it can go down much farther)

(with a lock washer and a regular nut)

(Front side with a SS nut instead. I'm probably going to use all SS nuts instead of the black ones, just for consistency).
So, takeaways:
1) Get ~16 2mm thick SS washers for shimming between the bracket and the car panel. I recommend removing one of those bolts from the car to ENSURE the holes on these 2mm thick shimming washers will allow the bolt to fit through.
2) Get 2 large diameter SS washers for EACH stud you plan on mounting in the slots of the brackets. If you're only going to use one bracket slot per side, get 4; if you're going to use both bracket slots on each side, get 8. MAKE SURE you take a stud with you to ensure it fits through the washer holes, as I've had them vary in size even on the EXACT SAME part #.
3) You can use the regular nuts and lock washers already provided for the back side of each bracket, or you can get 1 nylon SS locknut for the back side of EACH stud you plan on mounting in a bracket slot. So you'll need either 2, or 4. These are M6 x 1.0 thread pitch nuts, just like the studs. Again, BRING A STUD to test fitment.
Hopefully this all makes sense. We're REALLY sorry about the inconvenience, but throwing this all together required a lot of work on the part of a lot of people. It makes sense a few minor things slipped through the cracks; nothing a quick trip to ACE won't solve.
@Raider
@nekret
@superman
@VTMongoose
@monkey.bones.007
@jdutch
@CGPhotographers
@Darthxar
@Mastermind46
@Lazuras29
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