6 point cage, seatbelt bar, double diagonals to main hoop, double diagonals to rear stays with spreader bar, windscreen bar, double diagonal side intrusions, single roof roof diagonal, rear turrent to main hoop bars bars, existing dash bar bolted to forward legs.

6 point cage, seatbelt bar, dash bar, windscreen bar, double side intrusions.

6 point cage, seatbelt bar, dash bar, windscreen bar, double side intrusions (with gusset plates). Front corner diagonals from floor to top corner of forward legs.

6 point cage, seatbelt bar, single diagonal to main hoop, single diagonal to rear stays, windscreen bar, double diagonal side intrusions, single roof roof diagonal, angle re-inforcements between main hoop and forward legs. Existing dash bar welded to forward legs.