[lowmile]

My Gray car has the ZJ1 interior noted on box 12 of the Fisher body sheet, and it also has ZL3 in box 14
Here is some info I got off of Scott Nova resource site.

1970 Interior Convenience Package - RPO Zl3

Interior
o Bright pedal pad trim
o Right front door jam switch for dome lamp operation
o Glove box lamp
o Satin finish inside rear view mirror
o Bright framing on instrument cluster carrier
o Bright dome lamp bezel


1970 Custom Interior Package - RPO ZJ1

Interior
o Front bench seat cushion with 1.75" foam pad
o Rear seat cushion with 1" foam pad
o Bright pedal pad trim
o Right front door jam switch for dome lamp operation
o Glove box lamp
o Satin finish inside rear view mirror
o Bright framing on instrument cluster carrier
o Diecast door sidewall nameplate "Nova"
o Deluxe door sidewall
o Bright dome lamp bezel
o Rear seat arm rests with ash tray
o Passenger compartment carpet floor covering
o Special floor insulation
o Full molded hood insulation
o Rubber and foam backed vinyl trunk mat