NGK SPARK PLUGS HARLEY DAVIDSON MODELS CRATE ENGINES before being aged for 4

before being aged for 4 years and then bottled at 54% (cask strength)

new painless wiring harness kits available for 67-72 c10/20/30 pickups and blazer/jimmy models

holds tighter tolerances under temperature

Available In Three Different Harness Options

NGK SPARK PLUGS HARLEY DAVIDSON MODELS CRATE ENGINES before being aged for 4NGK SPARK PLUGS HARLEY DAVIDSON MODELS SOLD EACH Trivalent metal plating provides superior anti corrosion and anti seizing properties Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Triple seals prevent leakage Corrugated ribs prevent flashover Copper core aids in heat removal