Holley
Holley 558-493 SNIPER EFI TO HOLLEY DUAL SYNC HARNESS
Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub Harness. This coil sub harness is intended to be used with factory LS coils and various Holley EFI main harnesses with Coil-on-plug connectors. The Holley EFI LS coil sub harnesses are built with the same high quality connectors and wire loom found on all Holley EFI harnesses, guaranteeing a perfect match in your engine bay.
Some products on our website are not legal for use on emissions-controlled vehicles. Consumers are responsible for following emissions laws and ensuring their modified vehicles comply with applicable regulations.
Emissions standards help protect air quality and public health. Agencies like the U.S. EPA, California Air Resources Board, and Environment Canada prohibit tampering with emissions systems, which is illegal under the U.S. Clean Air Act and can result in significant fines.
Scram Speed supports performance parts that meet emissions requirements. This information is general and may not apply to all vehicles or situations. Consumers are solely responsible for checking their local laws to ensure compliance.