Factory Shelby speedo overlay decal for all 500 Omni GLHS's and all 1000 Charger GLHS's produced at Shelby's Whittier facility.   Not many of these left in existence...  We are down to our last 2 pictured here.
 
This overlay maxes out at 135mph.   If you have a GLHS you know that Shelby's team (when they were converting the cars from Turbo I to Turbo II, installed this decal inside the factory cluster (on the speedometer) so that the factory speedo could read past 85mph.    This will fit most L-body cars from 85-87 but was meant for (and installed on) the GLHS as I mentioned above.
 
Price is for 1 decal.