Autolite (4 Pack) Genuine Small Engine Copper Core Spark Plugs - 2634-4pk

Genuine Autolite replacement part. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 12.7mm (1/2"). Hex Size: 13/16" (21mm), Terminal Type: Removable Nut, Gap:.039" (1.0mm). Material: Nickel, Type: Standard, Projection: Non-Projected. Copper core improves resistance to fouling.