What spark plugs should I use for best performance?

Top Spark Plugs Reviewed

#	Product
1	Denso (4504) PK20TT Platinum TT Spark Plug, (Pack…	Buy on Amazon
2	NGK (3403) TR55GP G-Power Spark Plug, Pack of 1	Buy on Amazon
3	ACDelco GM Original Equipment 41-962 Double…	Buy on Amazon
4	NGK BKR5EIX-11 Iridium IX Spark Plug, standard	Buy on Amazon

Do spark plugs make a difference in performance?

This would be more accurately described as “less performance loss.” Spark plugs do not increase the performance of an engine — even spark plug manufacturers are fairly forthright about that. They won’t make the engine perform better than it did when it was new, but they will help it stay at that level longer.

Do E3 Spark Plugs add horsepower?

By simply replacing your existing plugs with premium E3 spark plugs, your ride will have the performance it deserves. Horsepower gains of 4-6\% can be expected, depending on engine class size.

What spark plugs give more horsepower?

Thanks to its strength, iridium spark plugs can last up to 25\% longer than comparable platinum spark plugs. Iridium spark plugs feature a fine wire center electrode that is designed to conduct electrical energy better and increase firing efficiency. There is a price for this precious metal.

Can a spark plug increase horsepower?

In short, yes, in some situations spark plugs can increase horsepower. These ‘massive’ gains of one or two per cent generally won’t be exceeded, even if you’re replacing really old and worn spark plugs for new ones. In this case, your essentially just restoring your car back to its peak performance.

How long will E3 spark plugs last?

How often you change the spark plugs in your vehicle depends upon the type of plugs you use and how you drive the vehicle. Naturally, better plugs and easy driving conditions are optimal. E3 automotive spark plugs offer a 100K mile warranty, or 5 years from the date of purchase.