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FAST XR ignition coil for GM Gen V 5.3/6.2L LT engines is a direct-replacement coil designed for street and racing use on the specified Gen V LT family. Constructed with premium copper-alloy windings, the XR coil delivers substantially higher spark energy—about 15–20% more than stock—and firing performance approaching peak volt levels cited by the manufacturer, while remaining legal in all 50 states.
FAST XR Ignition Coil for GM GEN V 5.3/6.2L LT - Single
