Features:

• Plug and Play with Holley EFI
• 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
• Billet Blank Cap also available for Coil On Plug Applications P/N 566-103
• Designed specifically for the Holley 351W Hi-Ram Manifold P/N 300-242 or 300-241

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

• Holley EFI Billet Blank Distributor Cap

  Replacement Cap for 565-111 or any 565-200 series Dual Sync Distributors.

  Part# 566-103

  $80.24

  Qty: 

  Add To Cart

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

• 1965 and older U.S. manufactured California Certified vehicles
• 1967 and older U.S. manufactured Federally Certified vehicles
• 1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle