FAST XR Ignition Coil Set for 98-01 LS1/LS6/7.4/8.1 - Single

XR Series ignition coil for '97-'05 GM LS1/LS6 and Medium Duty 7.4/8.1 provides up to 15-20% more energy over stock ignition coils.Built from ultra-pure copper alloy windings, our coils have been tested to 8,000+ RPM and 1,500 HP.
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