Stock lift: 4 front leaves per pack, 4 leaves plus 1 overload in the rear
2 packs: 4 front leaves per pack, 5 leaves plus 1 overload in the rear
4 packs: 4 front leaves per pack, 5 leaves plus 1 overload in the rear
6 packs: 5 front leaves per pack, 5 leaves plus 1 overload in the rear