I'll just say, Autolites have no comparison to NGKs. As an NGK, Denso and Autolite dealer I'll say that NGK tops them all when comparing Platinum. NGK uses a larger amount of 100% Pure Platinum on both there center & ground electrode. Another great design is there center electrode tip is laser welded making for precise fit and finish and it's a fine point requiring less voltage to spark. That's the reason you pay an arm and a leg for them. At $12.50 a pop, it's no reason why there's is the best.
