There are plenty of affordable ways to boost your car's performance. Some people prefer installing performance exhausts and remapping the engine, while others lean more towards cold air intakes or ...

Are your spark plugs overdue for replacement? Watch for signs like poor performance, engine knocking, and decreased fuel ...

Hemi engines have had 16 spark plugs since the early 2000s -- which equals two spark plugs per cylinder. This article ...

Spark plug indexing gives each spark a clearer path to ignite the air-fuel mixture, which can help tuners squeeze out a few ...

Spark plug market driven by demand for fuel-efficient vehicles and advanced ignition tech, projected to hit $14.7 billion by ...