Stud bolts on the exhaust manifold don’t have an easy job! The thermal stress on these components is enormous, and both the stud bolts and the copper nuts suffer as a result—after all, these parts aren’t exactly brand-new anymore... -)
This set includes all stud bolts and copper nuts for the exhaust side of the Opel inline-six C30SE / C30XEi / C40SE. This makes assembly much smoother again :-)
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