These are slim m8 flange nuts, they have a 10mm hex and 14mm flange. They are ideal for aftermarket turbo manifolds as well as headers.
The stock manifold nuts are 12mm hex with a 16.5mm flange and sometimes can have clearence issues with non oem manifolds.
They fit m20, m30, m62, m60, and m10 engines.
Order the quantity required for your engine 1x quantity = 1 nut
Please ensure your manifold does not have overly large stud holes, this could result in the smaller diameter flange on the nut being too small.
Don't forget to check out our allen exhaust studs as well!