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The FAST XR ignition coil is a replacement coil for popular GM LS engines, covering 1997–2005 LS1/LS6 applications and medium-duty 7.4/8.1 engines. Built with ultra-pure copper alloy windings, the XR Series coil delivers increased ignition energy—tested for high RPM and high-output conditions—and is offered as an upgrade over stock coils for improved spark energy in LS engine platforms where higher coil output is desired.
FAST XR Ignition Coil Set for 98-01 LS1/LS6/7.4/8.1 - Single
