...For assistance, questions or help while building a racing gearbox, be sure to contact Matt Monson of Phoenix Rennwerks LLC. They are located at 1026 Bross St., Longmont, CO 80501.

Phoenix Rennwerks specializes in vintage Porsche transaxles and stock a large inventory of special ratio gearsets for the 901, 915 and 930 transmissions. Additionally, they also carry bearings, sychros, LSD's and most anything else you might need for a rebuild.