Autolite (12 Pack) Genuine Small Engine Copper Core Spark Plugs - 458-12pk

Genuine Autolite replacement part. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 9.5mm (3/8"). Hex Size: 13/16" (21mm), Terminal Type: Solid. Material: Nickel, Type: Standard, Projection: Non-Projected. Copper core improves resistance to fouling.