Our Flanges are either CNC machined from 6061-T6 aluminum alloy. Each set of our aluminum alloy V band flange coming with a seal. Application:Intercooler piping, air intake etc piping,etc. V band clamp:1.75" /2" /2.25"/2.5" /2.75" /3"/3.5"/4" stainless steel v band clamp.
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