Tachometer 8,000 RPM2 1/4" squareAC Alternator 2 or 6 imp/rev ( 4 or 12 magnets )Light kit 186-12A2 sold separately2AT8A-2/6SKU: 2AT8A-2/6$142.00PriceSize2 1/4" SquareRPM Range0-8000 RPMIgnition TypeAC Lighting coil or Alternator2 cycle # of AC pulses per rev.SelectQuantityAdd to Cart