Outer Limits 4x4 Board

Hi wanna put a racing harness inot my mq and keep the factory seats do i need anything special or they just bolt in, looking at a 4 point on each seat

i have back seat removed and the harness goin though the seat to the holes where the locks for the old backseat are, cnt be anymore then 20degrees down from the shoulders, cant just put them down to the floor behind the seat