Spent a week tracking these down ! Hard to find even with the world wide web .
The -17s arent that difficult still expensive at about $ 4.oo per bolt The - 20s are running at $32.00 per bolt , 2 are needed for the barracuda and generally the minimum order is 6 .
For a bolt that is 3/16 longer than a 4.00 dash 17 ? ThankfullY a fellow barra builder had some surplus ( Mitch Black) and provided them . Mitch will be getting a gift card for dinner soon !