Holley HLY558-326 LS Coil Ext. Harness 36in 2pk

Holley HLY558-326 LS Coil Ext. Harness 36in 2pk is listed by Motorstate as a Ignition Wiring Harnesses for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Holley components in the Ignition Wiring Harnesses category. The manufacturer part reference is 558-326, while the Motorstate part number is HLY558-326. Catalog description context: Ignition Wiring Harness - Coil Extension Harness - GM LS-Series - Pair. No vehicle compatibility is stated here unless it is present in separate fitment data.