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Std Gierling Calipers/4Pistons DO THEY need Re-WORK for DT 2nd Series Vented Disks????

Hi Team, currently rebuilding European GTS 4907, the front rotors are pretty thin < 19mm [original DT).
Will take them to TÜV/MOT etc. for INNITIAL inspection.

I understand ORIGINAL Rotors are Very expensive.

Need advice:
If I go for the ORIGINAL Series 2rd VENTED GTS rotors do I NEED to MODIFY the Calipers? ????
Any other change required?

Ok understand the 2 layers of metal sheet distance “xx” need to go away…NO ISSUE with that.

I tried “modified” OTHER rotors from Opel /GM…unfort. Does not work as off-set is too much.
Please help!

TX
Matthias
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