Description

Brand New Box of 4 Genuine Autolite Spark Plugs

Brand New Box of 4 Autolite Spark Plugs

Genuine Autolite Part # 63

Copper-glass seal bonded insulator, terminal post, and center electrode provide a tight seal that is 100 percent leak-proof

Multi-rib insulator reduces danger of “flash-over” to prevent misfires

Full copper core electrode improves heat transfer and optimizes plug life

Copper core center electrode provides higher thermal conductivity

Features high alumina ceramic for high dielectric strength and steel shell for installation robustness