5 Best Spark Plugs for HEI Distributors [Tested for 2026]
A reliable HEI distributor needs the right spark plugs to deliver strong ignition, smooth acceleration, and dependable engine performance. Spark plugs play a major role in how efficiently an engine burns fuel, responds to throttle input, and starts in different weather conditions. Poor-quality plugs can lead to misfires, rough idling, reduced fuel economy, and sluggish … Read more