just a solid reinforcement plate in the correct shape

Plug and Play

3' E90   (02/2004 — 09/2008)

If your bar side threads are galled/damaged it is necessary to clean up the threads with an M22x1

No additional hardware is required

MSP Vortech Supercharger Hardware Kit for Dinan Supercharger M50 M52 S50 S52 82199403093 just a solid reinforcement plateRevive your aging Dinan supercharger kit! This complete hardware kit is for Dinan M50, M52, S50, S52 Vortech based Supercharger Systems. All hardware is original specification but in higher quality metal. All 18 8 Stainless Steel (Bolts, Washers, Nuts). Great for refreshing your system or increasing resell value. Now includes leg spacers, tensioner hardware and supercharger hardware to really set off your install. Includes Upper Brace Bolts (x4)