This 6.56-inch 12-1x crank trigger wheel delivers the precise, reliable crankshaft signal needed for electronic timing control through a Holley EFI ECU or other standalone engine management/ignition controller on Small Block Ford engines.
Specifications:
- Engine application: Small Block Ford
- Trigger wheel diameter: 6.56-inch
- Trigger pattern: 12-1X (installs as 12-1 or 12x)
- Material: Billet 6061-T6 aluminum, 3/8" thick
- Sensor type: 3-wire Hall Effect (sensor sold separately unless part of a kit)
- Compatibility: Designed to work directly with ATI 917776 or 917215 balancers
- Part Number: 556-184
Compliance: This part is legal for sale and use on Racing Use Only Vehicles — competition vehicles that are not registered and never operated on the street. It is against the law to install this part on an Emissions Controlled Vehicle (1966-and-newer California-certified or 1968-and-newer federally certified vehicles).
FAQ
What engines does this trigger wheel fit?
Small Block Ford engines.
What balancer does it work with?
It's designed to work directly with an ATI 917776 or 917215 degreed balancer.
Is this kit legal for street use?
No — it's for Racing Use Only vehicles and cannot be installed on emissions-controlled street vehicles.
