These are the ones I bought, genuine aerocatch, not cheap fakes http://www.ebay.co.uk/itm/AEROCATCH-Plus-Flush-Locking-Bonnet-Catch-Pin-120-2100-/370519489484?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item5644aebbcc#ht_3772wt_1038 Actually quite easy to fit, its just the thought of cutting holes in your bonnet especially when its carbon fibre. All you need is a drill, dremel, tape measure, masking tape and a pen/pencil. Mask off the bonnet where your catches will be going with masking tape, measure out where exactly you want them, use the template to mark where they will be going, measure and check everything twice to make sure then cut and drill where necessary.