10 Best Automotive Replacement Ignition HEI Conversion Kits 2025

Looking to upgrade your vehicle's ignition system? Look no further than our Top 10 Automotive Replacement Ignition HEI Conversion Kits! We reviewed and scored many products in the HEI Conversion Kits - Ignition Parts subcategory, and we found products ranging from a 7.2 score up to an impressive 9.8 score. The top-rated kit, from Sierra International, features a complete ignition conversion kit for GM SB & BB Engines with standard deck height. Its white color complements any engine compartment, and its high score speaks to its superior quality. Don't settle for a subpar ignition system - check out our top 10 list and find the perfect HEI Conversion Kit for your vehicle today!