- Holley Fast Idle Solenoid is a universal throttle-mounted solenoid engineered to help maintain consistent idle speed in vehicles equipped with air conditioning
- Assists in preventing RPM drop when the added load from the A/C system engages
- Designed for use with Holley bracket 20-9 on Model 4150 and 4160 carburetors
- Also compatible with Holley bracket 20-47 for Model 4165 and 4175 carburetor applications
- Includes Dashpot Solenoid Bracket Mounting Nut (Part No. 26-57) to support proper installation
- Enhances overall drivability and helps reduce the likelihood of stalling during accessory engagement
- Covered by a 1-Year Limited Warranty
An engine that drops RPM or stalls when the air conditioning engages can quickly take the enjoyment out of a drive. Maintaining a stable idle speed under added accessory load is essential for smooth operation, particularly in stop-and-go traffic or hot weather conditions. The Holley Fast Idle Solenoid is designed to help maintain consistent engine speed when additional demand is placed on the system.
This universal throttle solenoid is intended to support vehicles equipped with air conditioning by preventing idle speed from falling when the compressor cycles on. It is compatible with Holley bracket P/N 20-9 for Model 4150 and 4160 carburetors, as well as bracket P/N 20-47 for Model 4165 and 4175 applications. The kit also includes the Dashpot Solenoid Bracket Mounting Nut (P/N 26-57) to assist with proper installation.
By helping sustain idle RPM during accessory engagement, this solenoid can enhance drivability and reduce the likelihood of stalling. Its universal design allows it to be used across multiple carbureted configurations while delivering dependable performance. Backed by a 1-Year Limited Warranty.