Below are outlined the differences between a super seal kit, standard and slim seal kit.
Super seal kits contain all parts that are included in a standard seal kit, as well as the most commonly needed parts beyond the standard seal kit to do a complete hydraulic unit rebuild.
Standard seal kits have all of the parts included in the manufacturers' standard seal kit.
Slim seal kits include only the most essential and commonly replaced seals. A cost saving option if you know what you need. A Standard or Super seal kit is a better choice if a complete hydraulic unit rebuild is necessary.