Cut two L angles to be fitted in angle behind the Front Bearing Top and Bottom. Marked centerlines and drilled and clecoed to to the Seat Front (7F11-1).Cut the Tunnel (7F11-4) to fit over the Bottom Channel (7F10-1). Cut two Tunnel Angles for the front section. Layed rivet lines and clecoed to Tunnel and Floor.Cut two Tunnel Angles. Layed rivet lines and clecoed to the Tunnel and Bottom Channel.Layed rivet lines on both sides of the Tunnel and clecoed to the L angles behind the Front Bearing Top and Bottom.Drilled holes to proper size.Marked the centerline on the Central Belt Attachements (7F16-3). Pilot drilled five rivet holes and a 5/16" bolt hole on both. Rounded the tips to a 15mm radious.