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How Pulstar Works

Pulstar® spark plugs use an innovative plasma-assisted combustion technology to generate more horsepower, more torque, and quicker throttle response. Pulstar features an internal capacitor, developed with the help of a US Department of Energy laboratory, to store energy that creates a high-intensity electrical pulse when released. This pulse saturates the fuel with combustion-enhancing plasma, ensuring instant ignition and a rapid burn.

Video: How Pulstar Works

Throttle Response

Instant ignition and a more complete burn means your vehicle responds
quickly. You’ll really feel the difference when pulling away from a stop.


Pulstar’s rapid burn creates higher peak pressure on the piston; applying
more torque on the crank shaft, resulting in more power to your wheels.


Burning more fuel during the power stroke means you get the most power from
your fuel. Laboratory and dyno testing has repeatedly shown gains in

Fuel Economy

Pulstar burns fuel efficiently, ensuring it isn’t wasted. Whether you see an
improvement in power, fuel economy, or both depends on how you drive.

Pulstar Passes With Flying Colors

Independent testing and research have verified that Pulstar® spark plugs
increase engine performance through improved fuel burn. But, there’s no need to
take our word for it! Let’s look at the numbers…

Dyno Testing

Dyno (dynamometer) testing is the industry standard method for gauging
engine performance. Dyno testing of automobile engines using stock vs.
Pulstar® spark plugs has repeatedly shown Pulstar boosting engine performance.
Improvements in horsepower, torque and mileage have been demonstrated in a wide
variety of vehicles, from compacts to SUVs to racecars.


We conduct extensive research, development, and testing with highly regarded third party facilities. The following are peer-reviewed articles that reinforce the benefit claims of Pulstar spark plugs with research conducted by our president and Chief Technology Officer, Lou Camilli, and other reputable individuals in the fields of internal combustion ignition and pulsed power technology.

Lab Testing

Engine performance is improved by increasing downward force on the piston. This is accomplished by burning fuel to create expanding gases within a very limited timeframe. Independent tests conducted at highly-regarded certified laboratories have verified Pulstar’s® ability to ignite fuel immediately and burn it rapidly, thus increasing the amount of force on the piston.


Incredible in all aspects of everything

…these have worked and held up past my expectations. You guys have really made something that is incredible in all aspects of everything. I can’t wait to get my next car and get another pair of plugs…

Steven Thompson

These Plugs Rock My Face Off!

Just installed a set of Pulstar Spark Plugs on my Harley Davidson FLTRU… MUCH smoother ride and a noticeable increase in HP/Accel!

Adam Moyer

Lively gas pedal and quicker response

WOW! What a vast improvement! The car is much more “lively” gas pedal response is much “quicker”! The car seems to have much more torque and pulling power. I shall now only use your product.

Warren Hall

Noticeably more power and torque

I race my 2010 V6 Camaro in local and national autocross events against V8s with 100-200 more horsepower, so I need all the extra power I can get… Pulstar spark plugs give me noticeably more power and torque.

Jason Camps

Immediate Torque Increase

The truck ran great before and is a real beast now. I will keep an eye out for gas mileage increase. The torque increase was noticeable immediately.


Immediate difference in RPM and smoothness

Immediately I noticed a difference in the RPM and the smoothness. The mileage increased by 2 miles per gallon…when running a Roush 342R at 450 horsepower and 420 foot pounds, it’s a lot.

Rick “Duff” Defer

I recommended them to other riders

…my 2005 Harley ultra-classic noticed an increase in fuel economy, smoother running and a slight power increase… I was already using other premium iridium plugs and still got a nice gain…

Jim Santore

Noticeably smoother and increased MPG

Before installation, the MPG indicator would show about 28-32 MPG…After installing the Pulstar plugs the MPG is now 36-38. In addition, the transmission shifting points are noticeably smoother.

Lee J. Bernasek