HEI Fire Despite its bad press, the GM HEI is a great street/strip distributor. Merely taking a high-mileage or junkyard HEI and bolting it on is not always a good plan.

Performance Distributors in Memphis, TN has decades of experience rebuilding and modifying distributors. Its Davis Unified Ignition (DUI) takes GM's HEI to the next level. When considering its all ...