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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
4.2 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Love these tunics!
Color: Aprioct Boho Yg9, Size: XX-Large
I absolutely love these tunics! They are very figure flattering & so soft & comfortable to wear. The material is on the thinner side so they are great for warmer weather. I have very sensitive skin so many fabrics irritate me but this one is fabulous. I would wash on gentle & hang to dry to keep fabric looking nice. After wearing the first one, I ordered 3 more…
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Pretty Tunic Top
Color: Willowfloral, Size: X-Large
Very happy with this tunic top! Long enough for me to feel good about wearing it with leggings, but not SO long it feels like a dress. Really good V-neck, not just a little notch at the top that some brands call a v-neck. I ordered the teal floral XL and was very happy with the fit and drape. I'm a size 18W with a 42D bust and a chubby waistline. I often end up in XXL or 1X tops, but this fit well as an XL. Nice feel to the material and a bargain at the price!
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Reviewed in the United States on March 26, 2026
★★★★★ 5
Very flattering in my opinion
I'm 5'6 and no hips, so I really liked that the length is a little longer and flares a little at the hips giving my chunky but not curvy figure some illusion of a girlish figure. The pattern and colors were pretty & I'd say pretty close to the ad. Great blues and a coral/peach ... not sure my camera did it justice. I like the pleat at the back ... I feel that it minimizes the bra bulge that can happen at times. I stepped out after try on and my guy said it looked great (he's a truth teller with clothes) so that made me feel better because sometimes I see what I want to see at first & later see the flaws. I do see the case instructions ... getting used to hang to dry all things lately. Feels a little more nylon-ish but not bad. Its not super thin and light where I think it's a clingy thing. Really do like this shirt
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Reviewed in the United States on March 9, 2026
★★★★★ 4
Nice, but not great fabric quality
Color: Floral Black, Size: Large
The fit was great. Colors were as shown. The fabric shows signs of wear pretty much on the second wear so durability isn’t great. The fabric is soft and light weight so perfect for spring and fall. Not sure I’d buy again as I think it will look worn out quickly.
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Ding! Ding! Ding! We have a winner!
Color: Boho Multicolor, Size: XX-Large
Wow. These are really nice tops. The material is soft and very comfortable and the fit is true to size. Colors are as pictured. They look and feel like they cost a lot more!
I initially order this in 2 different patterns (Boho and Willowfloral) and I just now ordered 3 more, black, purple, and wine red. Can easily be worn all year round and can be dressed up or down. All in all, I’m very pleased with this purchase.
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Reviewed in the United States on May 31, 2026