The M-2021 Blow Back bushing is welded to each end of a top fuel blow back strut and has a piece of rubber hose inside of it.
The bushing is made from 7/8" X .083 4130 steel and measures 0.706" I.D., 0.878" O.D., and length is 1". There is a pdf chart that can be downloaded from our website, http://mckinneycorp.com/downloads/pdf/bushing.pdf, that will give you a list of some of the bushings that we carry. Should you not be able to find the bushing that you're looking for, call and we'll be happy to assist you in finding what you need.
