Due to the increasing demand after these famous parts BBT has decided to take them into stock for those people who wish to better camshaft bearing, mostly used on tuned engines and accompanying camshaft. The double thrust bearings have compared to the original camshaft bearings an additional guiding lip with guarantees a proper guiding of the camshaft. When using these bearings you will have to adapt the centre seat for the bearing. From now on available per set for 1 engine from stock in a good tested quality.