Description

Spark Plug N1039Y Shop Pack of24EXCEPTIONAL COMBUSTION STRENGTH — Delivers rapid, consistent combustion and withstands the intense mechanical forces of racing environmentsHIGH-STRENGTH CERAMIC INSULATOR — High-strength ceramic formulation resists dielectric puncture and maintains consistent voltage under extreme ignition loadsHANDLES EXTREME HEAT PRESSURE — Maintains spark integrity and structural stability during sustained high-RPM, high-heat operationRACE-TUNED HEAT RANGE CONTROL — Correct heat range selection helps control plug temperature, prevent pre-ignition and maintain maximum power throughout the raceCORROSION RESISTANCE — Coated shell provides corrosion resistance in harsh environmentsPROJECTED SURFACE-GAP DESIGN — Positions the spark deeper in the combustion chamber to improve flame initiation and manage gap growth over race duration

Center Electrode Design: Standard

Center Electrode Tip Material: Nickel

Classification: Champion Racing Plugs

Electrical Terminal Type: Non-removable Nut

Grade Type: Performance

Ground Electrode Core Material: Nickel

Ground Electrode Quantity: 1

Ground Electrode Tip Design: J Gap

Ground Electrode Tip Material: Nickel

Hex Size: 20.650 mm

Hex Type: Hex

Indexed: No

Insulator Height: 0.12″

Plug Type: N1039Y

Reach: 0.75 Inch

Resistor Type: No

Seat Type: Flat

Thread Diameter: 0.551 Inch

Washer Type: Crush

Washer(s) Included: Yes