Threaded Insert for use with Allstar Performance Cut-to-Fit J-Bar Style Panhard Bars ALL56141 / ALL56142. Sold Individually.; Cut-to-fit bar is an unwelded kit offering the ability to build a custom length J-Bar with up to a 27" long center to center distance, enough to work with most chassis. Bar is formed from .250" wall 1-1/2" steel tubing, has a 4" drop, includes a threaded insert and rod ends.;.