Autolite 12 Pack of Genuine OEM Spark Plugs - 4265-12PK

Genuine Autolite replacement part. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 19mm (3/4"). Hex Size: 13/16" (21mm), Terminal Type: Removable Nut. Material: Nickel, Type: Necked Down, Projection: Projected. Copper core improves resistance to fouling.You may also like 6 pc Autolite APP5245 Double Platinum Spark Plugs for 1209 41-805 7015 8123 Ignition Wire Secondary Fits select: 1999-2010 CHEVROLET SILVERADO, 2000-2010 CHEVROLET TAHOE.