Holley 556-171 7-Inch Crank Trigger Kit for Small Block Chevy with Hall Effect Sensor and Flying Magnet

The Holley 556-171 7-inch crank trigger kit is designed for precise engine timing in Small Block Chevy applications. This kit includes a trigger wheel, flying magnet, hall effect sensor, pickup, mounting bracket, and hardware, providing a comprehensive solution for accurate ignition control. The trigger wheel is engineered to fit a 7-inch balancer, ensuring compatibility with a range of small block Chevy engines. The Hall effect sensor delivers reliable performance by detecting magnetic field changes, resulting in improved engine responsiveness and stability. Constructed with durable materials, this kit is built to withstand the rigors of high-performance driving and engine tuning.

Installation is straightforward with all necessary components included, making it suitable for both professional mechanics and experienced enthusiasts. The design minimizes interference and ensures consistent signal output, which is critical for optimal engine management. Whether upgrading an existing system or building a custom setup, this trigger kit enhances ignition timing precision and engine performance.

Compatible with various small block Chevy models, the Holley 556-171 kit is ideal for race cars, street performance vehicles, and custom builds. Its robust construction and reliable sensor technology make it a dependable choice for precision ignition control, helping to maximize horsepower and improve fuel efficiency.

Features:

• 7-inch trigger wheel designed for small block Chevy engines

• Includes flying magnet and hall effect sensor for accurate trigger detection

• Robust mounting bracket and hardware for secure installation

• Engineered for high-performance engine timing applications

• Compatible with a wide range of Small Block Chevy models