Plug And Play With Holley EFIHall Effect Sensor Design Provides Precise Timing Control And Noise ImmunityCNC Machined Billet Aluminum HousingIntegrated LEDs Allow For Easy SetupPrecision Machined Shutter Wheel Designed For Improved Accuracy At Extreme Engine RPMShutter Wheel Is Pinned And Welded To Distributor Shaft For Superior Reliability Brand:HOLLEYDIST. DUAL SYNC FORD 35ItemNumber#H19565210