MACE SNOUT MACHINING TOOL TO SUIT L67 SUPERCHARGED V6Fitting any of our pulleys that are 2. 9" and smaller in diameter will require the snout to be machined down. Unfortunately, trying to find the tooling or a tradesman that will complete the job to a professional standard can be quite challenging. The Mace Engineering snout machining tool has been designed to alleviate any difficulties or complications when attempting to turn down the snout. Its as simple as removing your current Mace supercharger