Holley DIST., DUAL SYNC., BBC TALL DECK, BLACK

HOLLEY Holley
SKU #HLY-565-204BK
Holley DIST., DUAL SYNC., BBC TALL DECK, BLACKThe Holley DIST., DUAL SYNC., BBC TALL DECK, BLACK is a next-generation EFI distributor designed to provide precise timing control and sequential fuel injection support for Big Block Chevy tall deck engines. Featuring high-quality dual Hall Effect sensors and a black anodized billet aluminum housing, it offers a plug-and-play solution for Holley EFI systems that require accurate synchronization at any RPM.
SKU HLY-565-204BK
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Holley DIST., DUAL SYNC., BBC TALL DECK, BLACK

The Holley DIST., DUAL SYNC., BBC TALL DECK, BLACK is a next-generation EFI distributor designed to provide precise timing control and sequential fuel injection support for Big Block Chevy tall deck engines. Featuring high-quality dual Hall Effect sensors and a black anodized billet aluminum housing, it offers a plug-and-play solution for Holley EFI systems that require accurate synchronization at any RPM.

Key Features

  • Dual Hall Effect sensors for crank and cam signals to support sequential EFI
  • CNC machined billet aluminum housing with black anodized finish
  • Precision machined shutter wheel pinned and welded to the shaft for extreme reliability
  • Plug-and-play compatibility with Holley EFI and Sniper EFI systems
  • Integrated LEDs for simplified setup and synchronization
  • Includes a hardened steel distributor gear and high-quality MSD cap and rotor

Fitment

  • Big Block Chevrolet (BBC) Tall Deck Engines
  • Holley EFI, Sniper EFI, and other systems supporting Hall Effect inputs

Note: Sniper EFI applications require adapter harness 558-493; ensure proper engine phasing and timing synchronization during installation for optimal performance.

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