Autolite Single Platinum Spark Plug: Up to 60kMile Life Expectancy Fits select: 1976-1982,1984 CHEVROLET CORVETTE

Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

High nickel alloy side electrode maintains precise gap Full platinum tip assures virtually no gap erosion for long life Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs) Electrode Tip Material: Platinum Reach: .460 In Resistor: Suppressor Seat Type: Tapered Thread Diameter: 14 mm Tip Configuration: Power Wrench Diameter: 5/8 In