Deep Groove Distributer Clamps for MSD SBC BBC - Low Profile Size - USA Made by QMPDistributer Clamps for MSD SBC BBC Low Profile Size Billet Aluminum USA Made by QMP Racing In stock, orders usually ship within 1 day! We are excited to offer you our newly machined low profile MSD distributor clamps. These offer a huge improvement over the usual clamps you may have seen. Click through the photos to see some comparisons to the less supportive clamps you might have seen on the market. Adjustable mounting point. So you can mount it