Join Date: May 2017
Location: Cranston, Rhode Island
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I will be looking to rebuild my OEM 4-piston calibers. BLK69Judge, you had mentioned sending them "Out" Where would I send them. Do you have a name of someone that rebuilds these calibers?
I have heard and have read the correct way to rebuild these calibers is to bore them and install stainless steel inserts and then new pucks and a seal kit. I have found a couple of options that I'm considering. "Cardone" will rebuild them if you fill out the form they have on their website. 2, you can buy new 4-piston calibers for about $160-$170 each, but they won't have the correct casting numbers and they might have the small piston version as used on the early Corvettes. 3, You can buy the new pucks and the seal kits but you have to find a local machine shop that can bore the calipers, a total of 8 holes in a tolerance of +/- , 2-4 thousands. The stainless sleeves have to be made to fit the new pucks and seals and pressed in and honed. All of this can add up very quickly, money wise. I'm leaning toward sending mine to "Cardone" and hope for the best. My fear is that they will lose them in the normal run of the mill rebuilding process, Or you'll get a pair back that were not your original casting numbers.
Honestly, I don't have a definitive answer with the research I have done. We need someone to chime in here that has gone through this process. I have jotted down the part numbers that are the replacement. You can look up the numbers on Amazone and "CARID" websites and others. I've seen them on eBay as well.