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HEI Distributor for Small Block and Big Block Chevy
InfoVehicle Info Needed
JEGSPART NUMBER: 555-40042

HEI Distributor for Small Block and Big Block Chevy

$10999$144.99You Save$35.00
More than 10 available
ShippingShips on Sep 08, 2026
Lowest PriceLowest Price Guarantee

Chevy HEI Distributors
HEI Distributor
  • Small Block & Big Block Chevy
  • Fully Adjustable Vacuum/Mechanical Advance
  • .491 Shaft Diameter
  • Black Cap & Body with Male Brass Terminals
  • Steel Gear
  • Includes 65,000 Volt Coil
  • Sold Individually

    Firing order:  click here

    JEGS 555-40042 HEI Distributor Features:

    • Simple one-wire hookup
    • No ignition box required
    • Magnetic style pickup
    • Distributor base gasket included
    • CNC-machined billet aluminum housing
    • Utilizes dual hardened steel bushings
    • Standard-type steel distributor gear for hydraulic or solid flat tappet cams

    JEGS 555-40042 HEI Distributor Notes:

    • Use 555-40650 Bronze distributor gear for roller camshafts
    • To protect ignition system components, always disconnect all vehicle power sources before performing welding on applications equipped with an HEI distributor. Electrical surges from welding can damage sensitive ignition electronics.

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • Part TypeDistributor
    BrandJEGS
    Package Height7.1
    Package Width9.6
    Package Length17.4
    Weight6.35 PG
    Part CategoryPerformance Parts
    Housing FinishMachined
    Housing MaterialBillet Aluminum
    Ignition Box RequiredNo
    Rev LimiterNo
    Trigger TypeMagnetic
    Distributor TypeHEI
    Engine Make/SizeChevy Small And Big Block
    Coil IncludedNo
    Computer-Controlled CompatibleNo
    New Or RemanufacturedNew
    Distributor IncludedYes
    Ignition Coil IncludedNo
    Adjustable Vacuum Advance IncludedYes
    Slip CollarNo
    Mechanical Tach DriveNo
    Gear MaterialSteel
    Advance TypeVacuum and Mechanical
    Marine UseNo
    Coil StyleIn-cap
    Distributor Cap ColorBlack
    QuantitySold individually
    Ignition Box IncludedNo
    Trigger StyleMagnetic
    Cap StyleMale/HEI
    Part FitmentSemi Universal
    Spark Plugs IncludedNo
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    REPLACEMENT PARTS

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    Some parts are not legal for use in California or other states with similar laws / regulations
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