and Performance Parts and Accessories

Product #: H565200
Arriving Soon!
Chevrolet; Small Block/Big Block; Holley; EFI; Dual Sync Distributor
Introducing the next generation of Holley EFI Dual Sync Distributor. The new design features an improved shutter wheel, high-quality dual Hall Effect sensors, and an MSD cap and rotor!
Designed for simple plug and play installation with Holley EFI systems. While this distributor is designed to be used primarily in sequentially injected installations, you can easily use it as a crank trigger for TBI system.
Features:- 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
- Shutter wheel is pinned and welded to distributor shaft for superior reliability
- Blank cap available for Coil-On-Plug applications
Important: Not for use on pollution controlled vehicles. See Emission Notes below.
Note: When utilized with Sniper EFI, Ignition Adapter H558493 is Required!
Emission Note 1:For (PPCV) Pre-Pollution Controlled Vehicles Only: Legal for use on all vehicles that were manufactured before emissions control regulations were imposed. Check your state law before ordering.
For Racing Use Only: This product is intended for vehicles that are exclusively designated as a racing or off-road vehicle only. This product is not legal for use on vehicles that are operated on public highways. Not for use on a street-driven vehicle.
- 1965 and Older, USA Manufactured, California Certified Vehicles
- 1967 and Older, USA Manufactured, Federally Certified Vehicles
This product fits the following vehicle applications. Click to view individual years.

Chevrolet Bel Air 1967-1981
Chevrolet Biscayne 1967-1972
Chevrolet Blazer 1969-1974
Chevrolet Brookwood 1969-1972
Chevrolet C10 Panel 1967-1967
Chevrolet C20 Panel 1967-1967
Chevrolet Camaro 1967-1986
Chevrolet Caprice 1967-1986
Chevrolet Chevy II Nova 1967-1968
Chevrolet Corvette 1967-1986
Chevrolet Estate 1969-1970
Chevrolet G10 Van 1969-1969
Chevrolet G20 Van 1969-1969
Chevrolet Impala 1967-1985
Chevrolet K5 Blazer 1975-1986
Chevrolet Kingswood 1969-1972
Chevrolet Monza 1976-1979
Chevrolet Nova 1969-1979
Chevrolet Townsman 1969-1972
Chevrolet Truck 1967-1986
- Weight: 4 Lbs
- Dimensions: 12" x 5" x 5"
- Freight Type: Standard
Special Order Information
Special order items are items that are made specifically to your desired product specifications.
Because these products are produced especially for you, special orders must be prepaid in full and are non-returnable.
Contact us during normal business hours to place your order.
Drop Ship Information
Dropship items are non-stocking items that are shipped directly from our supplier to you. We are able to reduce transit time and speed up delivery by shipping these items directly to you. Dropship items are not available for pickup in our warehouse showroom.
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