needs to be turbines, mk1, with the separate spider. 'clover leaf' style, not too hard to get hold of, there was a nos pair on the bay about 3 months ago, and another nos pair on a complete retro build on the same dreaded auction site about a year ago. patience is all thats needed. and some moolah. they used to come oe on rm's, well raceface was started by rm........