UP Gauge Cover for 2006+ Peterbilt Speedometer or Tachometer Clear #40639 Each opening size: 1/2" wide and

opening size: 1/2" wide and 5/16 of an inch tall

place new vent in slots and push into place

Mount: 5/16" female adjustable ball stud and ball

IT IS 1 INCHES LONG AND IT HAS 1/4 INCH INSIDE DIAMETER

359 and Kenworth "A" trucks with dual round headlights

UP Gauge Cover for 2006+ Peterbilt Speedometer or Tachometer Clear #40639 Each opening size: 1/2" wide andMaterial: chrome plastic Application: Peterbilt 2006 and newer, models 379, 389, 388, 387, 386 Mount: push on, may require a dab of silicone adhesive Size: outside to outside 4 3 8", inside hole diameter 3 11 16 inches for a 4 1 4" gauge Location: Center drivers dash speedometer and tachometer Style: visor, jewel Color: clear, silver Quantity: Each Bulk Packaging New