Ratings & Reviews for E3 Spark Plugs 5/8-in 2-cycle engine and 4-cycle engine Spark plug Fits Champion, NGK, Torch

What Customers Are Saying

Customers overwhelmingly praise these spark plugs for reliable performance and dramatic improvements in engine starting. Most report devices that previously required 20-25 pulls now start on first or second attempt, with engines running smoothly at full throttle without cutting out. Reviewers consistently note the plugs fit perfectly as OEM replacements, require no gapping, and deliver superior durability across leaf blowers, mowers, and generators. Many appreciate the competitive value and convenient in-store availability. A few customers experienced compatibility issues due to incorrect plug selection for their specific equipment, but these reflect selection confusion rather than product defects. Overall, reviewers strongly recommend these plugs for reliable, responsive small engine performance.