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Description
Holley EFI Low Profile SBF Dual Sync DistributorHolley EFI Low Profile SBF Dual Sync Distributor Overview 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 design
Holley EFI Low Profile SBF Dual Sync DistributorOverview
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 design ensures accurate timing, even at very high engine speeds. The 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!
When utilized with Sniper EFI, Ignition Adapter 558-493 is Required!
Features:
- Plug and Play with Holley EFI
- Includes both crank and cam sensors to support sequential EFI operation
- Hall Effect sensor design provides precise timing control and noise immunity
- CNC machined billet aluminum housing
- Integrated LEDs allow for easy setup
- Comes with hardened steel distributor gear
- Precision machined shutter wheel designed for improved accuracy at extreme engine RPM
- Billet Blank Cap also available for Coil On Plug Applications P/N 566-103
- Designed specifically for the Holley 8.2" SBF Hi-Ram Manifold
Details:
- Application: Small Block Ford
- Color: Black and Silver
- Gear I.D.: .500"
- Sensor Type: Hall Effect
Links
Instruction Sheet
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Great watch for the money
Color: Black/Silver
Poor man's Rolex. Durable and dependable.
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Reviewed in the United States on May 1, 2026
★★★★★ 3
I love this watch even though it has some really big flaws.
Color: Tan
I love this watch even though there are some major problems. The quality of the crystal is really clear. I love the way the dial looks. It is very easy to read analog hands. It has a lot of lume on the hands so reading the time at night is not a problem even without the illumination. The indices do not glow as bright but can be easily seen when you hit the light button. I like the colors on the dial as well. I do find the digital dispay to be small and obstructed by the light button. The digital display is also unreadable when you look straight on. It just appears black until you look at it at an angle. The worst part is that the light does not even illuminate the digital display. It is not a deal breaker for me as I don't play on using the digital functions when it is dark. Honestly, I probably am not going to be using the other functions other than time. Setting the analog time is annoying as you have to hold the button and wait until you get to the respective time and it only moves forward.
Overall nice looking watch that seems well built. If you use the digital functions a lot this is probably not the watch for you.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Great watch
Color: Tan
Bought as a gift, they love it
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Nice
Color: Black/Green
Nice
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Durable
Style: Bi-fold
My man loves it. He works construction and it has held up well so far. Carhartt does good work. Looks exactly like the picture, well made.
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Reviewed in the United States on April 19, 2026