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Caliper Pistons

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martx-5

martx-5

Yoda
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I need to know what the diameter of the TR3 caliper pistons are. I believe that they are the same through TR6??? Is that right?? 2 1/4" rings a bell...or is it 2 1/2"??
 
I just quickly stuck a caliper on an old one laying on the bench. 2-1/8" (2.125" more or less).

All the same, from introduction through end of TR6; even though the caliper body and seal kits changed.
 
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