I need a complete tach intstrument panel with gauges for a 68 gmc without paying big bucks like in all of the catalogs. If your are parting out a truck and have this let me know. Also I have very low gears probably 4:88 or 5:13 maybe, in 68 1 ton dually 14000 gvw. Looking for something like 4:11 ring and pinion. Willing to trade or buy.