e3 or brisk performance plugs
there both a diferent design than regular plugs and i was looking through a old mustang book from when i hade my lx 5.0 [yeah i know lol
] and a 03 cobra gained 8 hp at the wheels from the brisk plugs and im not shure about the e3'si use tr55's now
Don't believe the snake oil salesmen that tell you plugs will give you a hp increase
Honestly, Test spark plug heat ranges and brands to find out which spark plug is best for your engine, Driving , fuel, weather.
Brisk? Sounds like an like a insipid ice tea because that should be left on the shelf at walmart.










