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Description
For Small Block Ford 6.56-Inch 12-1X Crank Kit, Sbf, Hall Effect-556-172Upgrading to an MSD Flying Magnet Crank 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
Upgrading to an MSD Flying Magnet Crank 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 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 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 Kits
- Included installation instructions cover mechanical setup and provide step-by-step Holley EFI Software Setup
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Holy Smokes, I Need Sound-Blocking Headphones
Color: Squeaker Matz Gator, Size: 2X-Large (Pack of 1)
This summer I bought the smaller version of this alligator squeaky toy for my large malamute-mix named Rascal. He's a big BIG puppy with an enormous amount of energy. Squeaky toys drive him crazy and he can't get enough of them. The more squeakers the more hyper he becomes. I started looking for the perfect Christmas present for him and caught sight of this little guy. Couldn't pass him up. 32 squeakers! Rascal would faint with excitement.
This toy is a little longer than 4 feet long- which is about how long my dog is. It's by far the largest toy he's ever gotten. The head has a rattle in it. And the long body has 32 squeakers individually sewn into their own pocket- so even once he has chewed one of the noise-makers out, he still has many more to go. A few of the squeakers came defective, but I suppose that should be expected when so many noisy parts are involved. I don't think he noticed. The enormous amount of racket he made with the rest of them kept him busy enough.
The second I gave him this toy he bounced around like any kid would on Christmas. Excited as heck. He spent a few good hours flinging the toy up in the air, running around the house and yard with it, and just laying around trying to chew each of those noisy things out from the body. He hasn't managed to get any of the squeaker toys out yet- it's been three days of constant play. He spends a few good hours on it each day. The fabric is getting kind of slobber-soaked, but that's presumable with dog toys. His dark black hair also easily sticks to this fabric, so it's beginning to look a lot dirtier than it actually is. But I'm sure he'll destroy it before my inner neat-freak feels the need to clean it.
My biggest concern are the felt teeth and claws on the toy. They can easily be torn off and swallowed by the dog. If you want to eliminate that, prior to giving your dog the toy- just take a pair of scissors and cut them off. I just monitored my pup closely and took away the pieces once he removed them.
Aside from the felt pieces and the fact the toy attracts hair- I think this was by far one of the best investments I've made for my dog. It's huge, keeps him entertained, and makes plenty of noise! I'm debating buying sound-blocking headphones before I purchase another toy like this again. Very noisy! But he loves it to death, and that makes it all worthwhile. Highly recommend!
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Reviewed in the United States on December 29, 2013
★★★★★ 5
My dog’s favorite toy
Color: Squeaker Matz Gator, Size: 2X-Large (Pack of 1), Color: Squeaker Matz Gator, Size: 2X-Large (Pack of 1)
This is my dog’s favorite toy! She carries it around everywhere and loves the squeaker. It’s a great size and keeps her entertained for a while. Holds up pretty well too, especially for how much she plays with it.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
"Gator" under supervision for husky pup is loads of fun for her.
Color: Squeaker Matz Gator, Size: X Large (Pack of 1), Color: Squeaker Matz Gator, Size: X Large (Pack of 1)
Fun loving hyper 7 month old female husky whose an aggressive chewer loves her "Gator". She loves the squeakers, does chew on any & all parts of her toy as she like many textures from soft/fuzzy to hard. 1st Gator we got her lasted a few months. She did chew threw a good amount, it did get dirty & most of the 16 squeakers were missing but I saved like 5 of them & sowed them back in. Once she started chewing thru the head & into the stuffing we ordered a replacement & she's so happy. I have 1 picture of the Gator though it might not look like it's done it was. Zero squeakers remaining, head has 1/2 stuffing removed, torn stitches but not enough where the body could come apart. She managed to eat the stuffing but she was not hurtful & we were able to stop her each time. I recommend "Gator" w/ supervision if you have an aggressive chewing pup. It's durable enough for some tugging & "fetch". It advertised "encourages digging" @ the squeaker but she didn't. She tugged, chomped' "fetch" & whipped the toy w her head but had a blast every time. She actively searches for Gator when she wants to play w/ her toys. 16 squeakers.
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Reviewed in the United States on May 12, 2021
★★★★★ 1
Toy disintegrates - a hazard for dogs
Color: Squeaker Matz Gator, Size: 2X-Large (Pack of 1), Color: Squeaker Matz Gator, Size: 2X-Large (Pack of 1)
I buy these types of toys for my dogs. They rip them apart and pop the squeakers, having a great time. This is the third time over the past 2 or 3 years I've bought this particular toy. The quality has fallen off a cliff. Whenever my dogs shake it, flecks of the material fly off. These small pieces are very difficult to vacuum and, more seriously, get caught in my dog's teeth and throat. This never happened before, and they actually still have an old version that I occasionally resew with replacement squeakers. If you've bought this toy in the past couple of years, know that this is not the same product.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Dog toy
These worked really good - they are made of a good quality denim like material seems dirty so far have only had them about a month.
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Reviewed in the United States on December 3, 2025