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The FAST XR Series ignition coil set for Gen3 GM 4.8/5.3/6.0L LS truck engines includes eight coils engineered to deliver increased ignition energy—up to 15–20% more than stock—using ultra-pure copper-alloy windings. These coils have been tested to high engine speeds and are built to support performance-focused LS truck applications while retaining compatibility with the cited engine family.
FAST XR Ignition Coil Set for GEN3 4.8/5.3/6.0L LS Truck Engines - Set of 8
