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Description
8-Inch 12-1X Crank Trigger Kit, LS, Hall Effect8 Inch 12 1X Crank Trigger Kit, LS, Hall Effect For Coyote, Requires Custom Ignition Type in Holley EFI Software. Overview 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
8-Inch 12-1X Crank Trigger Kit, LS, Hall EffectFor Coyote, Requires Custom Ignition Type in Holley EFI Software.
Overview
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
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
Details:
- Color: Silver
- Diameter: 8-inch
- Make: Gen III and IV LS
- Sensor Type: Hall Effect
Links
Instruction Sheet
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4.2 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Great for a Pitball
Pattern Name: Octopus
I have a Pitbull and she absolutely loves this toy. I always wait a while before giving a review. She has had this toy Since the beginning of July and she is still playing with this toy. It does have little holes but it is still going. She loves it. Playing tug of war with her. I also take it and wrap it around her collar and watch her dance around trying to get it out(I don't leave it there long). This a great buy. I also bought and extra one so when this one does finally dies she will have another. The material is strong, The sound is about normal for a squeaky toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 3
Cute, but not tough enough.
Pattern Name: Octopus
This toy is cute, my pug loves it, and I like how the legs are strong but the top of the octopuses head isn't tough enough which is worrisome because thats where the squeaker is. It might work out for a smaller dog though.
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Reviewed in the United States on June 12, 2026
★★★★★ 5
Fun Resilient Chew Toy
Pattern Name: Octopus
I have a boxer/pit mix and she loves this! I bought it 4 months ago and it’s still going strong so I know it’s quality made and perfect for dogs that like to chew and play tug of war. It has been chew resistant for my girl and she loves the little squeak. I just throw it in the washer when I wash her bed. Great value and a safe toy that’s a good size for a medium to large dog.
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Reviewed in the United States on May 4, 2026
★★★★★ 4
Cute but not tuff
Pattern Name: Octopus
Cute but could be more tuff!
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Favorite toy
Pattern Name: Octopus
My 80 lb American bulldog and staffy mix absolutely LIVES this little octopus. He literally destroys everything but NOT the octopus, lol. It is well made and has lasted months which is a huge deal. Great buy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
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