Autolite Fram 437-4PK Copper Non-Resistor Spark Plug, Pack of 4

Description

⚡ Spark your engine’s true potential with Autolite Copper Power!

The Autolite Fram 437-4PK Copper Non-Resistor Spark Plug pack features a full copper core electrode for superior heat conductivity, a leak-proof heat-fused internal seal for durability, and a copper-glass seal construction for reliable spark delivery. Designed to improve fuel efficiency, quick starts, and smooth acceleration, these spark plugs bring decades of trusted Autolite innovation to your vehicle’s performance.