LantanaML320

All I can say is you have some bad info you are looking at. I am looking at the actual caliper and I was able to get the pistons out enough to get get measurements with precision measuring calipers. They are 1.045" and 1.124" which translates to 26.5 and 28.5

Since I already have brand new SLK55 rear rotors I am getting tempted to keep them. The only issue is that I will need to upgrade the fronts (again) to 345. I had planned on doing this but got ripped from a guy on Ebay who listed CLK500 calipers that turned out to be C230 Sport (I think) As soon as I can positively identify those calipers I will sell them and recoup my losss. I have new C32 rotors for the front but still looking for the right calipers. I am currently running CL500 calipers on 330mm SLK32/SRT6 rotors.

LantanaML320

Here is a picture of the SLK55 rotors that I have and was going to use with these calipers.

silverjimm

The c230 sport caliper use a 330mm rotor that is a little thinner than the slk32 srt6 rotor, they are 2 piston brembos. The c320sport /SLK use a 330mm rotor with a 4 piston brembo. I have the part numbers at my house if you want me to send you them to identify what you have.

Viper98912

Lantana man my only issue as I stated way earlier is that the diameter outside of the dust boot doesn't necessarily mean it's the same diameter on the inside where the bore is...

I guess go ahead and keep them man, get some brackets made and it should look pretty hot. I guess I'm going to keep my rear CL55 setup as well and try to get that working within the next few weeks....

LantanaML320

No problem, After a lot of thought, I think I want to keep them anywayl. Can you fix me up with the inserts if I end up needing them? most likely I won't if I use a bracket.

Viper98912

Yup, I definitely can if you need any precision washers, collars, shims, etc. Good luck man, keep me updated!

320 dreamer

lantana can you pm me the info on the slk55 rear rotors? were you goit them hat offset and part #. will the xfire ebrake assy work with them or do they need a bigger ebrake setup?

silverjimm

They work with the stock ebrake. I have the SLK55 rear setup on my SRT.

LantanaML320

I took all the measurements and they are the same as SLK/Crossfire/C/CLK. The one question I have is if the backing plate will be a problem. Did you have to do anything to your backing plate.

silverjimm

Yes I had to trim a little from the top and bottom where the cut out is for the caliper. very minor anount of trimming . I painted it black again and it looks factory.

LantanaML320

Thanks! Very cool.

havoc01

The information is sound, your measurements are incorrect as Brembo doesn't fit half sizes or odd numbered sized pistons in their OEM calipers... in other words, a 26mm piston would not measure .5mm larger than it's supposed size when checked with a precise measuring tool such as a Vernier caliper or micrometer; and it obviously can't be the next size up because Brembo doesn't make odd numbered, i.e., 27/29/31mm pistons.

Long story short... if the picture is any indication, the pistons were not pushed out far enough to measure the barrel. Those numbers you got correspond to the top portions (above the dust boot recess) of 30 and 32mm pistons, respectively. Grab a magnifying glass and read the boot numbers; I'm fairly confident you'll find they end in 41/42.

LantanaML320

I just pulled the dust seal up and measured again the smaller of the two piston with my vernier calipers and you are correct. The samller piston measured 1.1814 which is 30mm. I will put them on my car and let you guys know how it works out.

havoc01

Oh geez! Now you come around! Just when I had a series of pictures lined up to prove my point further! lol

Well anyway, good luck with your set up!

LantanaML320

I had a feeling those were coming! So I tried to beat you to the punch that was coming my way.

Viper98912

So basically, Viper98912 ftmfw.