AC 411014 Iridium Professional Spark Plug, 4/box alt-5273-1901 Mounting plate bolt hole size

Mounting plate bolt hole size is 3/8"

Scientifically matched sapphire jewel and hardened steel pivot dial movement

Permanent strength up to 3400 PSI

Cleans vinyl

5A (12 & 24v)^Ready to install^Must be used with a contactor or control box

AC 411014 Iridium Professional Spark Plug, 4/box alt-5273-1901 Mounting plate bolt hole sizeSmaller, more efficient, Iridium electrode designs improve cold starting and quicker acceleration. Designed to last over 100,000 miles in most applications. Require reduced ignition system voltage which increases lifespan of costly ignition system components. 100,000 mile limited warranty. Sold in Standard Pack Only.