This S54 Header Install Kit includes everything you need to install/replace headers on your M3, Z3M, Z4M or other S54 swapped vehicle.
Kit Includes:
- (18) Manifold studs and copper nuts
- (6) Head-to-manifold gaskets
- (2) Manifold-to-midpipe gaskets
- (2) installation nuts to insert and tighten studs