Ignition Coils

Holley EFI LS Coil Ignition Harness 558-321 Factory replacement coil harness for stock LS coils, does not fit LS1 or LS6 Coils.   Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub...

Holley Universal Coil On Plug Harness Holley Universal Coil On Plug Harness is used to connect Holley HP Smart Coil Ignition Harness 558-312 or factory LSX coil harness to Holley HP or Dominator ECU's.  

Holley HP Smart Coil Ignition Harness 558-312 Holley HP Smart Coil ignition harness includes a pair of coil harnesses for 8-cylinder engines. It is used in conjuction with the Holley LSX plug and play main harness for converting from factory LSX coils...