$6.00 Inc GST
Part Number: 51K1177
Special extra long nuts were used on some manifolds.
These nuts are about an inch long for easy reach and made of brass, so they'll never corrode.
Especially handy on the inner two studs on dual carb set-ups.
Recommend: 2x 51K1177 per Mini.
Related parts:
For the manifold washer, see 12A1211
For the short brass nut, see GFK3436