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Holley EFI Dual-Sync Distributors

3.35 out of 5 stars 37 Customer Reviews

Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as

Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Dozens of models are available; order the one recommended for your vehicle/engine application.

Some features of Holley EFI dual-sync distributors include:

* CNC-machined billet aluminum housings with integrated LEDs for easy setup
* Hardened steel distributor gear
*

Precise timing control—Holley EFI dual-sync distributors are built with two Hall effect sensors for crankshaft and camshaft signals. The distributors can be used as just a crankshaft speed input or provide a camshaft sync signal for sequential fueling operation. They're also useful for crank and cam signals when running coil-on-plug applications. Dozens of models are available; order the one recommended for your vehicle/engine application.

Some features of Holley EFI dual-sync distributors include:

* CNC-machined billet aluminum housings with integrated LEDs for easy setup
* Hardened steel distributor gear
* Precision-machined shutter wheels that ensure accurate timing—even at very high RPM
* Designed to be plug-and-play with Holley systems, but may be used with other EFI systems that support Hall effect crankshaft and camshaft sensors
* Housings are available in a variety of finishes

Showing In Stock Items. Show All 2 Items.

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Holley EFI Dual-Sync Distributors 565-210

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI Cap, Steel Gear, Shiny Housing, Ford, Lincoln, Mercury, 5.8-7.5L, Each

Part Number: HLY-565-210

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

Holley EFI Dual-Sync Distributors 565-210BK

Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled, Male/HEI Cap, Steel Gear, Black Housing, Ford, Lincoln, Mercury, 5.8-7.5L, Each

Part Number: HLY-565-210BK

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

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Estimated Ship Date: Monday 12/15/2025

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