You are looking at a Chevy & Ford B&M 144 174 / Weiand 144 174 177  Supercharger  10-rib belt tensioner.  It is in perfect working condition. These are nearly impossible to find. They have been discontinued for years. It can also be used on a 6-rib belt setup as well. Please view the pictures provided as it will come exactly as shown. It will be very well packaged ensuring safe arrival at your door. Thanks for looking!

* Decals not included *