Bosch SP0F000062 3-3/8" Retro Line Tachometer 3-3/8" with 270 degree sweep 0-8000 RPM Range, driven by Air Core meter Internal setting for 1, 2, 4, 6, 8 and 10 cylinder engines, DIS ignitions covered with 2 cylinder setting 360 degree lighting All metal tachometer housing with removable chrome cap, includes 2 mounting brackets