Autolite Extreme Start Iridium Enhanced Spark Plug - XST4265DP

Includes (1) XST4265DP Spark Plug. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 19mm (3/4"). Hex Size: 13/16" (21mm), Terminal Type: Removable Nut. Material: Iridium-Platinum, Type: Fine Wire, Size: 0.6mm, Projection: Non-Projected. Iridium and platinum electrodes provide the durability of double platinum plugs with virtually no gap erosion, longer life, and top fuel efficiency over the life of the plug. Fine wire electrodes provide increased ignitability. . Compatible with the Following: Champion: RN12YC, 8810, 8812, NGK: GR4, GR4VX

Includes (1) XST4265DP Spark Plug. Thread Size: 14mm, Thread Pitch: 1.25mm, Seat Type: Gasket, Reach: 19mm (3/4"). Hex Size: 13/16" (21mm), Terminal Type: Removable Nut. Material: Iridium-Platinum, Type: Fine Wire, Size: 0.6mm, Projection: Non-Projected. Iridium and platinum electrodes provide the durability of double platinum plugs with virtually no gap erosion, longer life, and top fuel efficiency over the life of the plug. Fine wire electrodes provide increased ignitability.