Ngk Standard Series Spark Plug Bp6Hs (4 Pack) For Triumph Tr4 1962-1964 2.1L/130

Ngk Standard Series Spark Plugs Are Designed For Stock Replacement Applications. These Plugs Have A Hotter Spark, Which Means Better Combustion And That Improves Performance, While Producing Less Harmful Emissions. Shorty Spark Plug: No Resistor: No. Manufacturer Heat Range: 6. Electrode Tip Material: Nickel Alloy. Electrode Core Material: Copper. Insulator Type: Projected. Spark Plug Thread Size: 14Mm. Spark Plug Reach: 0.500 In. Spark Plug Seat Style: Gasket. Wrench Diameter: 13/16 In. Ground Strap Quantity: One.