Holley Terminated Crank/Cam Trigger Ignition Harness 558-431 | This fully terminated harness is compatible with HP and Dominator ECU's and is plug and play w/ the following products: 554-118-HALL EFFECT CRANK TRIGGER SENSOR 554-124-FERROUS TARGET CRANK SENSOR 554-125-FLYING MAGNET CAMSHAFT SENSOR 554-127-CAMSHAFT SENSOR W/ FLYING MAGNET TARGET 556-114-BBC CAM SYNC KIT W/BRACKET 556-119-SBC CAM SYNC KIT W/BRACKET