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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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Description
Holley EFI Dual-Sync Distributor Ford 351 Windsor # HO565-201BKHolley EFI Dual Sync Distributor Ford 351 Windsor # HO565 201BK Introducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel
Holley EFI Dual-Sync Distributor Ford 351 Windsor # HO565-201BKIntroducing the next generation of Holley EFI Dual Sync Distributors, the new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor! While these distributors are designed to be used primarily in sequentially injected installations, you can easily use them as a crank trigger for TBI system also. The precision machined shutter wheel design ensures accurate timing, even at very high engine speeds. The Black anodized Gen 2 Dual Sync also included a QPQ coated shutter wheel for superior corrosion resistance, and the wheel has been pinned and welded to the shaft for increased reliability. These distributors can also be used with other EFI systems that support Hall Effect crank and cam sensor inputs. Do you need to a bronze gear for your billet cam? No problem, these distributors maintain MSD shaft diameters, making it easy to source a bronze gear!
Features:
Plug and Play with Holley EFI and Sniper EFI with adapter harness part number 558-493
Includes both crank and cam sensors to support sequential EFI operation
Hall Effect sensor design provides precise timing control and noise immunity
Black anodized CNC machined billet aluminum housing provides superior strength and great looks
Integrated LEDs allow for easy setup
Available for popular applications
Comes with hardened steel distributor gear
Precision machined shutter wheel designed for improved accuracy at extreme engine RPM
Shutter wheel is pinned and welded to distributor shaft for superior reliability
Blank cap available for Coil-On-Plug applications
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- 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
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Quality dog toy
Color: Blue, Pattern Name: Toucan
My dog loves this toy. He is a chewer and this toy has been durable is still in one piece after several months of attempted destruction. I will be buying again from this company. Quality stuff and good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Puppies love!!
Color: Green, Pattern Name: Dinosaur
Our mixed mutt dogs are aggressive chewers and destroy every toy! This one was reasonably priced and is still together! The girls love their baby! One of the best toys I’ve found!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
sturdy enough for tug toy mini american and an aussie verified it..lol.
Color: Green, Pattern Name: Dinosaur
a full size aussie and a mini american were playing tug with it... it is still here with no rips etc. very sturdy. the squeeker is annoying but i put that toy up before bed.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Dogs love it, but it lasted 10 minutes
Color: Blue Yellow, Pattern Name: Alligator
Five stars for the dogs both loving this thing. I have a Catahoula/pitbull and a Great Pyrenees/Red Heeler. They absolutely loved this toy but it only lasted about ten minutes before it was pulled apart and losing its innards. They didn’t really care - they each took half and proceeded to tear it to shreds with great joy. Two stars for durability, but since they’re big dogs who are happiest when chewing on things I figure the toy deserves to be rounded up from a three to a four. Small dogs probably would still love it without the strength to yank it apart so quickly.
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Reviewed in the United States on September 16, 2025
★★★★★ 5
My dog loves this
Color: Blue Yellow, Pattern Name: Alligator
My dogs favorite toy and she has a lot of toys. Sturdy for tugging
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
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