That number should have brown paint on them, they a B-body 440, 426 Hemi bars, .925" diameter, 108# rate, the new MP number is P5249157 hope that helps MJ On 5/17/05, Jim Jablonski <jim@xxxxxxxxxxxxx> wrote: > > Can someone help me? I have a brand-new-in-the-bos set of torsion bars, > part number P1857780, and I am trying to determine application, etc. > > Thanks! -- Menko Johnson menkoj@xxxxxxxxx