7in Trigger Wheel

The MSD Ignition 7in Trigger Wheel is a precision crankshaft trigger component designed specifically for small block Chevy high-performance ignition systems. This product is ideal for racers, engine builders, and automotive technicians who require reliable spark timing control for optimal engine performance.

Constructed from lightweight aluminum and finished with a durable red anodized coating, the 7in Trigger Wheel is engineered to resist corrosion and thermal stress found in engine compartments. Its flying magnet configuration generates a clean, repeatable magnetic signal that MSD ignition controllers utilize for precise spark plug firing, ensuring optimal combustion timing across the RPM range.

Engine builders upgrading to MSD's digital ignition systems will find this trigger wheel essential for small block Chevy applications, which can range from street performance to competitive racing. The 7-inch diameter design fits standard small block Chevy crankshaft balancer mounting patterns without modification, making it a versatile choice for various setups.