3.0 whipple

Hey everyone,y idler pulley has gone out and looking to replace it. I have contacted whipple but they are out of stock. Can someone let me know what the smooth and Ribbed pulley part numbers are for this?

After a few weeks of playing around getting tires, racing, and overwise just being way too busy with real life, we finally had a chance to get our new Velgen VF5's mounted up on Jo's 18! We had a local buddy do a quick shoot when we were out and about the other night, be prepared for spamming...

Well as some of you saw, and some of you didn't, My Fiance's car start knocking 2 pulls into tuning after we installed the whipple back in late December. Tore the car down early January and much to our surprise, we didn't find a whole lot of obvious answers when it came to the knock. Needless to...