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MSD Ignition 8503 - MSD Ignition Digital E-Curve Pro-Billet Distributors

MSD Ignition 8503 - MSD Ignition Digital E-Curve Pro-Billet Distributors

MSD Ignition#121-8503

Digital E-Curve Pro-Billet Distributor
  • Small Block Ford 289/302
  • With Built-In Rev Limiter
    • Fits Applications:
    • 1975-1985
    • Click to see All

    MSD Ignition 8503 - MSD Ignition Digital E-Curve Pro-Billet Distributors Details


    For Small Block Ford Engines (Non-Computer controlled)

  • Digitally controlled stand-alone distributor with adjustable electronic advance.
  • Set a centrifugal advance and vacuum advance curve electronically.
  • High output ignition module produces a powerful spark
  • Easy 3-wire connection
  • Dial-in a rev limit to prevent over-rev engine damage

    REV Limiter Verification MSD Ready-to-Run Distributors

  • With only (3) simple connections you can install this MSD Digital E-Curve Distributor in your engine and fire it up. There are no external controls or boxes to mount or connect and you can set a timing curve with an easy twist of a rotary dial. The digital module allows your choice of (20) different centrifugal curves and (5) vacuum curves for 100 combinations by simply removing the cap to get to the rotary dials and select a curve to match your application. This distributor has an advanced, digitally-controlled ignition module that allows you to set an RPM limit (adjustable from 5,000-10,000 RPM) to prevent over-rev engine damage and it also produces a jolt of energy to the coil to produce a powerful spark that will increase engine performance. MSD's Rynite molded cap and rotor tops the E-Curve Distributor and is supplied with a heavy-duty gear and matching 3-pin weather-tight wiring harness.

  • Easy 3-Wire Connection
  • Built-in Rev Limiter
  • Stand Alone Digitally-Controlled Distributor with Adjustable Electronic Advance
  • (20) Centrifugal Advance & (5) Vacuum Advance Curve Selections
  • High Output Ignition Module Produces a Powerful Spark for Improved Performance

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

  • MSD Ignition 121-8503

    Engine Make/Size
    Ford 289-302
    Distributor Type
    Manufacturer's Part Number:
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