Compare Autolite Copper Core Spark Plug Part #: 4263 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.8mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 254 Line: ATO Small Engine - Spark Plugs Select a store to see pricing & availability Find Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.6mm Hex Size (in): 3/4 Inch Hex Size (mm): 19mm Seat: Flat Thread Size: M14 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 255 Line: ATO Small Engine - Spark Plugs Select a store to see pricing & availability Find Preset Gap (in): 0.03 Inch Preset Gap (mm): 0.8mm Hex Size (in): 3/4 Inch Hex Size (mm): 22mm Seat: Flat Thread Size: M14 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 2554 Line: ATO Small Engine - Spark Plugs Select a store to see pricing & availability Find Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.6mm Hex Size (in): 5/8 Inch Hex Size (mm): 16mm Seat: Tapered Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 258 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.6mm Hex Size (in): 3/4 Inch Hex Size (mm): 19mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 4123 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.028 Inch Preset Gap (mm): 0.71mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 292 Line: ATO Small Engine - Spark Plugs Select a store to see pricing & availability Find Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.6mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 2974 Line: ATO Small Engine - Spark Plugs Select a store to see pricing & availability Find Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.6mm Hex Size (in): 3/4 Inch Hex Size (mm): 19mm Seat: Flat Thread Size: M14 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 4092 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.8mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 4265 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.034 Inch Preset Gap (mm): 0.9mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 3095 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.025 Inch Preset Gap (mm): 0.6mm Hex Size (in): 15/16 Inch Hex Size (mm): 24mm Seat: Tapered Thread Size: 1/2-14 Inch Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 4054 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.8mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14-1.25 Show More Show Less
Compare Autolite Copper Core Spark Plug Part #: 4173 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.028 Inch Preset Gap (mm): 0.71mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M12-1.25 Show More Show Less
Compare Autolite Xtreme Sport Spark Plug Part #: XS4164 Line: ATO Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.030 Inch Preset Gap (mm): 0.8mm Hex Size (in): 11/16 Inch Seat: Flat Thread Size: M12-1.25 Show More Show Less
Compare Autolite Xtreme Start Spark Plug Part #: XST2974 Line: ATO Small Engine - Spark Plugs Select a store to see pricing & availability Find Hex Size (in): 3/4 Inch Hex Size (mm): 19mm Seat: Gasket Thread Size: M14-1.25 Show More Show Less
Compare Representative Image NGK Copper Core Spark Plug Part #: 1134 Line: NGK Small Engine - Spark Plugs Select a store to see pricing & availability Find Preset Gap (in): 0.04 Inch Preset Gap (mm): 1mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: M14 Show More Show Less
Compare Representative Image NGK Copper Core Plug Number 1463 Spark Plug Part #: 1463 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.032 Inch Preset Gap (mm): 0.8mm Hex Size (in): 13/16 Inch Seat: Flat Thread Size: 14mm Show More Show Less
Compare NGK Copper Core Plug Number 8765 Spark Plug Part #: 8765 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.032 Inch Preset Gap (mm): 0.8mm Hex Size (in): 9/16 Inch Hex Size (mm): 14mm Seat: Flat Thread Size: 10mm Show More Show Less
Compare Representative Image NGK Copper Core Plug Number 7986 Spark Plug Part #: 7986 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.044 Inch Preset Gap (mm): 1.1mm Hex Size (in): 13/16 Inch Hex Size (mm): 21mm Seat: Flat Thread Size: 14mm Show More Show Less
Compare NGK Copper Core Plug Number 6703 Spark Plug Part #: 6703 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.028 Inch Preset Gap (mm): 0.7mm Hex Size (in): 3/4 Inch Hex Size (mm): 19mm Seat: Flat Thread Size: 14mm Show More Show Less
Compare Representative Image NGK Copper Core Plug Number 6770 Spark Plug Part #: 6770 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.032 Inch Preset Gap (mm): 0.8mm Hex Size (in): 13/16 Inch Seat: Flat Thread Size: 14mm Show More Show Less
Compare Representative Image NGK Copper Core Plug Number 6773 Spark Plug Part #: 6773 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.036 Inch Preset Gap (mm): 0.9mm Hex Size (in): 13/16 Inch Seat: Flat Thread Size: 14mm Show More Show Less
Compare Representative Image NGK Copper Core Plug Number 6775 Spark Plug Part #: 6775 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.036 Inch Preset Gap (mm): 0.9mm Hex Size (in): 13/16 Inch Seat: Flat Thread Size: 14mm Show More Show Less
Compare Representative Image NGK Copper Core Plug Number 1503 Spark Plug Part #: 1503 Line: NGK Spark Plug Select a store to see pricing & availability Find Preset Gap (in): 0.028 Inch Preset Gap (mm): 0.7mm Hex Size (in): 13/16 Inch Seat: Flat Thread Size: 14mm Show More Show Less