HOLLEY EFI HIGH CURRENT NITROUS SOLENOID DRIVER # HO554-111 Rate_12 The filter elements feature triple

The filter elements feature triple chrome plated trim for a show-quality look and are available in black

mounting hardware

You'll find these single-plane manifolds on oval tracks

This kit includes all pulleys

Nitrous Controller Components

HOLLEY EFI HIGH CURRENT NITROUS SOLENOID DRIVER # HO554-111 Rate_12 The filter elements feature tripleHOLLEY EFI HIGH CURRENT NITROUS SOLENOID DRIVER # HO554 111 Nitrous Controller Components, Solenoid Driver, High Current, Up to 40 amp Draw, Each Nitrous Oxide Controller Component Type: Solenoid driver Quantity: Sold individually. Notes: Has a 40 amp maximum current draw. For use with Holley EFI. Holley Nitrous Solenoid Drivers Holley nitrous solenoid drivers offer high current performance. These Holley EFI accessories are required when progressively