How High Performance Spark Plugs Boost Power
A spark plug upgrade sounds like an easy horsepower boost, but will your engine feel the difference? Find out what matters before choosing performance plugs.
Selecting Spark Plugs for Supercharged PWCs
Not every performance spark plug belongs in a supercharged PWC. Find out what makes the right match before ignition trouble interrupts your next ride.
How Oil Type Affects Spark Plug Longevity on Bikes
Your choice of motorcycle oil can affect more than lubrication. See how oil, combustion deposits, and engine condition can influence spark plug longevity.
4-Wheeler Tuning: How To Read Plug Deposits
A spark plug can tell you plenty about how your 4-wheeler has been running. Learn how to read the signs without jumping to the wrong tuning conclusion.
What Is the Difference Between Car & Lawn Mower Spark Plugs?
Spark plugs do the same basic job in cars and lawn mowers, but key design details can differ. Find out what separates each application before you buy.
Selecting Spark Plugs for High-Mileage Engines
Your high-mileage engine deserves the right spark plugs. See how factory specs and plug condition can guide a smarter, more reliable replacement.
A Guide To Choosing Plugs for Forced Induction
Find the right spark plugs for a forced-induction engine by understanding how boost changes ignition demands and what that means for your setup.
Why Pre-Season PWC Spark Plug Replacement Is Important
See why replacing your PWC’s spark plugs before the season starts can make the difference between enjoying your first ride and troubleshooting at the ramp.
Lawn Mower Winterization: Spark Plug Care
Keep your lawn mower ready for spring by winterizing your spark plug. Learn how to improve starting performance and long-term engine reliability.
