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Holley EFI

Holley EFI 565-206 Dual Sync Distributor

Part # 565-206 Be the first to write a review

Compatible with Oldsmobile Engines

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Holley EFI 565-206 Dual Sync Distributor

Estimated Ship Date: 07/01/2026
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$571.95
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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!

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
  • 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
Brand Holley EFI
Emission Code3
Product TypeDistributors
WarrantyManufacturer's Limited 90 Day (1 Year with Warranty Registration)
UPC090127046210
Manufacturer Part Number565-206
Part Number565-206
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Instructions for Part# 565-206
When utilized with Sniper EFI, Ignition Adapter 558-493 is Required!
Manufacturer's Limited 90 Day (1 Year with Warranty Registration): See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.