Holley HLY558-307 LS Coil On Plug Harness Universal

Holley HLY558-307 LS Coil On Plug Harness Universal 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 558-307, while the Motorstate part number is HLY558-307. Catalog description context: Ignition Wiring Harness - Coil-On-Plug to Sub Harness - Holley HP / Dominator EFI - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.