I was going to get those for my 87 Monte. Although the picture on their website shows the circuit board installed in a 85 - 86 light housing, you do not get a light housing. You get the circuit boards and some wiring and harness. You have to disassemble your light housing to remove the back half of the housing and install the circuit board.
87 SS, Harwood cowl induction hood, UMI trailing arms. Edelbrock TES Headers (Jet Hot Coated). GM Goodwrench 350, TPI & Trick Flow 56cc alum heads, SLP runners, ported plenum, Comp Cams 260AH-12 cam, Trick Flow 1.5 roller rockers, Bilsteins, TCI 2400 stall converter, Ramcharger fans, SLP ZR1 rims.