I just bought a new DP and test pipe. I'd like to replace all the bolts with stainless. Does anyone have the sizing for the bolts needed or know where I can buy direct replacements but in stainless?
Ace Hardware / True Value... Your local family hardware store has a better supply of nuts and bolts vs the big chain store. Anti-seize on the stock bolts works well also.
Idk. Why not either take the test pipe with you or measure the flange thickness of test pipe and dp and then add another 1/2 in for the nut and find the fattest bolt5 that will fit in the hole.
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