Please check the Variants for this seat to ensure you order the correct item. It is available with 3 different seat cushion thicknesses 1) Thin Foam Seat Cushion approx 70mm high at the front  2) Medium Foam Seat Cushion approx 90mm high at the front  3) Thick Seat Foam (Big Boy) approx 120mm high at the front.

This is the 875 seat top that features height adjustable seat belt feed positions. This is not the 870 top that has the non adjustable seat belt feed slot.