Part # TRD-4819 Ford 260-289-302-351W and Pre '73 351C. Fits frame rails from 24" and 37" wide; Center to Center between perches is 17-1/4". Use TD mount pads #4982 or Ford part #DOOZ-6038-G
Part # TRD-4810Chevy 265-350 SB and 396-454 BB; fits frame rails from 24" to 37" wide; Center to Center between perches is 16-1/8". Use TD motor mount pads #9525 or Chevy part #3840749 and #3840750
From
http://www.tdperformance.com/ppdir_14.htmlor http://store.summitracing.com
Both are 49.95 american(summit price)
Mark(scrager) pointed me in this direction Thank you and hope this helps someone else save money. I'm going to order mine for Ford on monday I hope.
Derek