Looking to put GPS speedo and electronic tach in my 87 Superliner, need to know what size gauges I need to fit in dash holes. Truck is in shop so I can't get to it to measure holes, can anyone help me out? Somebody told me it's 3 3/8" gauges, just wanted to make sure before I order them. Thanks!
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hdfx81
Looking to put GPS speedo and electronic tach in my 87 Superliner, need to know what size gauges I need to fit in dash holes. Truck is in shop so I can't get to it to measure holes, can anyone help me out? Somebody told me it's 3 3/8" gauges, just wanted to make sure before I order them. Thanks!
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