Holley
Holley Crankshaft Trigger Wheels - 556184
Holley Crankshaft Trigger Wheels - 556184
Regular price
$398.99 USD
Regular price
Sale price
$398.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Crankshaft Trigger Wheels from Holley. The part number and specifications are listed below. The crankshaft turns the up-and-down motion of the pistons into rotation.
Quick facts
- Brand: Holley
- Part type: Crankshaft
- Part number: 556184
Tip: Have the rotating assembly balanced if you change pistons, rods or the crank.

Holley crankshaft: what to know
A new or reground crank is usually part of a full engine rebuild or stroker build.
Fitment notes
- Specs, lead time and warranty come from Holley and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Main and rod bearings. Always new with a crank.
More for your car: Engine · Engine
Questions about crankshaft
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Do I need balancing?
If the crank, rods or pistons change, balancing is recommended.
Where do specs and warranty details come from?
From Holley. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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