exhaust manifold nut 2nd undersize for Simson S50, S51, S70, Schwalbe, SR4-2, SR4-3, SR4-4, SR50, SR80 40844

Exhaust manifold nut - 2nd undersize - suitable for Simson mopeds S50, S51, S70, KR51/1, KR51/2, SR4-2, SR4-3,SR4-4, SR50, SR80.
This manifold nut can be used to remedy an overtightened or damaged thread at the cylinder outlet due to the described undersize and thus securely fix the manifold again.