Holley HLY556-180 Crank Trigger Wheel - BBC/LS 8in 12-1X

Holley HLY556-180 Crank Trigger Wheel - BBC/LS 8in 12-1X is listed by Motorstate as a Crank Trigger Wheels for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Holley components in the Crank Trigger Wheels category. The manufacturer part reference is 556-180, while the Motorstate part number is HLY556-180. Catalog description context: Crank Trigger Wheel - Flying Magnet - 8.000 in Balancer - Aluminum - Clear Anodized - GM LS-Series - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.