BYKer Will Posted September 8, 2011 Share Posted September 8, 2011 As above please. It is the ally disk at the top of the damper which has a big slot in it and retains the spring. However I need one for the wider standard springs rather than the narrower standard ones. If it helps it is for circa 2000 green motorsport spec springs that go with the m1 dampers. I can confirm dimensions later if needed. Thanks Will PS Before or at cadwell on Monday would help! Link to comment Share on other sites More sharing options...
NoLimits Posted September 8, 2011 Share Posted September 8, 2011 Think I have one. Get me some dims and I know which box its in. I'll measure first thing in the morning. To clarify. I have the part just need to check which size you want as I thought all the front springs were 1.9ID Link to comment Share on other sites More sharing options...
BYKer Will Posted September 8, 2011 Author Share Posted September 8, 2011 OK Measurements as follows taken in the dark and with the springs fitted! The black springs I have removed have an internal diameter of just under 2 inches and the spring seat has an outside diameter of 2.5 inches However the one I want for the green springs has an o.d of more like 3 inchs and the green springs themselves have an id of around 2.5 inches. Will Link to comment Share on other sites More sharing options...
NoLimits Posted September 9, 2011 Share Posted September 9, 2011 I have a 2.25 ID spring seat but if I recall its one of the rear ones (so long since I have looked at a set of Billies). It looks like a mushroom - ie its cone shaped. I do have a standard width 1.9 id front also. Sorry Link to comment Share on other sites More sharing options...
BYKer Will Posted September 9, 2011 Author Share Posted September 9, 2011 Yes the rears are cone shaped but the fronts are flat. thanks anyway. Will Link to comment Share on other sites More sharing options...
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