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United StatesARP Head studs
Installed as per instructions. No issues, quality product.
:+1::skin-tone-2:
I work in a company producing high strength screws for the automotive industry, we are leading supplier for predominantly german vehicle manufacturers. After getting my arp head studs, I had them tested in the lab of our company for their quality. The spectral analysis showed that it is as promised a very high quality material / alloy. And the tensile strength was 14.9. The bolt was also very dimensionally stable and had close tolerances. So this is a very high quality and definitely better product than a mass production product and thus justifies the pretty high price. So I do not have to mention that they let themselves be installed perfectly.
Pretty cool mod
Pretty good mod if you’re replacing head bolts, or even after removing cylinder head if haven’t done so.
Always a good day when you order from ZZP
Title says it all
Fast shipping
Got here just in time. Ready to get them all installed
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