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8-Inch 12-1X Crank Trigger Wheel

Universal

Part # 556-180
Estimated Ship Date: Coming Soon
Free Shipping - Lower 48 US States
Your Price
$249.95
Suggested Retail
$278.00
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4

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

    See Emissions Details
Upgrading to an MSD Flying Magnet Crank Trigger Kit will deliver the precise and reliable signal that a high performance engine requires. This kit gives you the ability to control timing electronically through a Holley EFI ECU (or other standalone engine management system / ignition controller). At the heart of the kit is the 3-wire Hall-Effect Sensor that is easier to set up, less susceptible to EMI/RFI interference/noise, and less likely to have false signals than other methods (Distributors and VR Magnetic Sensors). In addition, they are less prone to mechanical failure since there are no wear parts. With the included high quality timing pointer and the use of a direct bolt-on, degreed balancer (see below list for recommendations), you'll be able to adjust timing in the precise increments required for your engine. • Coyote 556-173 We recommend using ATI 918047-MSD but will also work with 918047N and 918047NA • LS 8 inch 556-174 Designed to work directly with ATI 917302, 918852, 917264 or 917242 • LS 7.28 inch 556-175 Designed to work directly with ATI 917777, 917211 or 917234 • LS 6.56 inch 556-176 Designed to work directly with ATI 917776 or 917215

Features:

  • Most accurate way to trigger your electronic fuel injection (EFI), can be installed as 12-1 or 12x
  • Powerful magnets embedded in a 3/8-inch thick billet 6061-T6 aluminum trigger wheel
  • 3-wire Hall-Effect Sensor that is not easily susceptible to EMI/RFI Interference
  • Engine specific kits include a direct bolt-on billet aluminum pick up bracket
  • Rigid mounting that will not flex and cause timing fluctuation
  • Easy to install much like traditional MSD Crank Trigger Kits
  • Included installation instructions cover mechanical setup and provide step-by-step Holley EFI Software Setup

About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!

Brand Holley EFI
ColorSilver
Diameter8-inch
Emission Code4
MakeUniversal
Product TypeCrank Trigger Wheel
Sensor TypeHall Effect
UPC090127297056
Part Number556-180
4

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.