Most of you know or have used open belt systems of BDL, Primo Rivera, Performance Machine. All excellent products. But there is also a small company called Tauer Machine offering complete open primaries and billet 6061-T6 pulleys. Their specialty is an oil filter/cooler in the primary drive and a choice of wicked 3D covers that you can fit on BDL & Primo 3” primary systems if you are already equipped. By the way, they run during a few days a special price on their Renegade open belt system. Check out Tauer Machine.