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This relay can also be Pulse Width Modulated (PWM) with no minimum duty cycle at frequencies up to 1000hz
on high horsepower applications and experienced immediate chassis improvements
Short neck design to accommodate tire clearance
Vibration Resistant
full-color capacitive touch screen for easy viewing even in the sun and a plug and play connection to all Holley EFI systems
FUELTECH SPARK PRO 4 HARNESS:YES This relay can also beFeatures High energy inductive ignition SparkPRO 4 4 ignition outputs Available in versions from 1 to 8 ignition outputs High Voltage at the coils primary: up to 430V Technical Description Used only with dumb coils (coils without igniter) Each SparkPRO channel can be connected to only one coil at a time Compatible with any programmable ECU that has dwell control Cannot be used with stock ECU Dimensions: 115 x 90 x 33mm