This came off the Gauge marks web site. I thought all Z28 cars until 74 came with a 150 mph speedo. This is info on a package they sell for the 73-74 Z28. Can some verify if my 73 Z will get a 130 or a 150 speedo?? Thanks Your original gauge faces can now be restored to factory fresh appearance by using this gauge pkg from gauge marks™. The markings for this pkg were created by using orginal Z/28 gauges as a guide. Includes markings for the 130 MPH speedo, 7000 RPM tach (with special 6k red line), FUEL, TEMP, AMPS, and CLOCK. Each line, digit, letter, and color bar is individually inspected under magnification before being added to the pkg. You can restore your working factory gauges at a fraction of the cost of replacing them! Complete instructions included.