Features High-Output 65,000 Volt Ignition CoilImproved High-Performance ModuleBrass Bushing and TerminalsAdjustable Vacuum AdvanceMachine Polished Aluminum HousingChromoly Steel GearSimple 1-Wire Hook UpFor Use Up To 7Top Street Performance HEI Distributors are a great addition to any engine. These units feature high output modules with low saturation coupled with a 65,000-volt coil for higher spark energy over stock distributors. With higher spark output thesedistributors maximize combustion efficiency for more power and less plug fouling. The distributors offer longer term durability with dual bushing construction, hardened steel gears, and solid brass terminals. Easy one wire hookup and adjustable vacuu