Customer Reviews
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United StatesJust as oem
I tend to work on a lot of ecotec motors and these worked perfect just as oe I’m very pleased and will be using zzp much more often
Header job.
After replacing an old header with the ZZP header, I needed to replace some of the studs. These worked great and appear to be factory quality!
Get 'em
Every single stud came out with the nuts when I replaced the headers, these came in real handy so I could get the torques perfect.
Same as OEM
Excellent
Good value and quality
Bought these exhaust manifold studs and nuts to replace my old rusty ones... I had one snap on me and I was actually glad to see that ZZP offers the full set for a good price... nice way to freshen up your old rusty studs and nuts
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