This Gen 2 Holley EFI Dual Sync distributor for Small Block and Big Block Chevrolet features an improved shutter wheel, dual Hall Effect sensors, and an MSD-style cap and rotor. Built primarily for sequentially injected EFI installations, it can also serve as a crank trigger for TBI systems and works with other EFI systems that support Hall Effect crank/cam sensor inputs. The precision-machined, QPQ-coated shutter wheel is pinned and welded to the shaft for accurate timing and long-term reliability, and standard MSD shaft diameters make sourcing a bronze gear for a billet cam straightforward.
Specifications:
- Distributor Type: Hall Effect Dual Sync
- Housing: Black anodized billet aluminum
- Shaft Diameter: .500"
- Sensor Type: Hall Effect (dual, crank + cam)
- Gear: Iron distributor gear included
- Cap/Rotor: MSD-style cap and rotor
- Fitment: Small Block and Big Block Chevrolet
- Part Number: 565-200BK
When used with Sniper EFI, ignition adapter harness 558-493 is required.
FAQ
What vehicles does this distributor fit?
It's built for Small Block and Big Block Chevrolet applications.
Do I need an adapter to use this with Sniper EFI?
Yes, ignition adapter harness 558-493 is required when pairing this distributor with Sniper EFI.
What sensor type does it use?
Dual Hall Effect sensors for both crank and cam signals, supporting sequential EFI operation.
Can I use a bronze gear with a billet cam?
Yes, this distributor maintains standard MSD shaft diameters, making it easy to source a bronze gear.
