Heavy duty KGParts diff brace to help stop wheel hop etc.
weight is 5.3kg
they usually cost £100 +delivery from USA + VAT
This one has a couple of extra holes drilled.
£50 + delivery or collection near MK/Northampton or JapShow.
(http://i42.tinypic.com/11afr87.jpg)
(http://i42.tinypic.com/jj191e.jpg)