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Definitely seem like a heavy duty part. My oem uppers needed replacing and these fir the bill and for the ...

Fits and works correctly. ...

I love Z1 hoses. Would always recommend them for their quality and durability. ...

I love Z1 hoses. Would always recommend them for their quality and durability. ...

I went with the race version and have no regrets. NVH isn't significant enough to go with the street version ...

Got these on a year ago to replace my tired 20 year old OEM coils that were failing. So far ...