Reviewed By Mohamed E (Doha, Qatar) Reviewed for a 2009 Chevy Trailblazer —6/27/2014 2:31 AM
I can feel the difference between the stock one and pulstar
Know before you buy! Read customer reviews about Spark Plugs or ask our Product Experts.
Know before you buy! Read customer reviews about Spark Plug Wires or ask our Product Experts.
One of the least thought about parts of your automobile is the humble spark plug. So small and inconsequential looking, most folks are happy to go along without giving their spark plugs a second thought—until they don’t work. Suddenly, this tiny part can bring your whole day to a halt. But, we can prevent the heartache and an expensive tow job by learning what do spark plugs do and more importantly, how spark plugs work.
There are dozens of modifications you can make to upgrade your engine’s performance. But, in order to get the biggest boosts in power and performance, you’ll want to start with these top five mods.
Do performance spark plugs really boost horsepower and MPGs? They sure do. Find out just how they work to deliver the results you’ve been looking for, and discover the best brands available for improving the ignition system of your vehicle.