Autolite Genuine Small Engine Copper Core Spark Plug (24) Shop Pack, 216-24PK

Genuine Autolite replacement part. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 11mm (7/16"). Hex Size: 13/16" (21mm), Terminal Type: Solid, Gap:.028" (0.7mm). Center Electrode: Material: Nickel, Type: Standard, Projection: Non-Projected. Copper core improves resistance to fouling.