The clamps around the intake manifolds must fit exactly and must have with a specific tightening range, only then can you be sure that there will be no leaks.
If you replace the clamps for universal clamps, it will damage the manifold boors, which is why Volkswagen has developed a specific clamp for this purpose.
Delivered in a set of four clamps for the assembly of the two manifold boots (two large and two small clamps).
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