Holley EFI Active Speed Management

Active Speed Management for Holley EFI V5+ Only!

Unlock the Full potential of your Holley EFI HP or Dominator ECU today with Holley V5+!

• Active Speed Management - Time based traction control based on engine speed and/or driveshaft speed.
• Import Racepak Driveshaft Curve and RPM data directly into your ECU!
• Import Crankshaft or Driveshaft Curves from previous pass, curve will automatically populate on the graph.
• Requires driveline speed sensor, be it wheel or driveshaft speed.

For Drag Racing Use ONLY that has a defined starting point!