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.

• 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!

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