MSD Pro-Billet LT1 Distributor


MSD Ignition
MSD Pro-Billet LT1 Distributor

Product images may differ from actual product appearance.

Are you ready for an all-out performance distributor to replace GM's LT1 Optispark?

MSD's precise housing, new pickup assembly and distributor cap, and trick timing adjustment mechanism all add up to this reliable MSD Lt1 Pro-Billet Distributor. Different from OEM, MSD's pickup is an advanced optical encoder, which is stable during extreme RPM. The rotor is bolted to a drive assembly that is indexed to the shaft and steadied by a large ball bearing assembly.

Once installed, you can adjust the ignition timing +/-5° with just the turn of a screw--an industry first! The distributor is also equipped with a fresh-air vent and extra thick mounting surface to eliminate leaks.
This MSD LT1 distributor includes a heavy-duty cap, rotor, and other
required components for installation.

MSD Pro-Billet LT1 Distributor Highlights:

  • Advanced optical encoder for accuracy and reliability
  • Ability to adjust timing +/-5°
  • Improved housing with extra bolt to eliminate leaks
  • Fresh-air vent sealed to keep out the elements
  • Large ball bearing stabilizes timing through 10,000 RPM
  • Rotor drive design is indexed to avoid slip



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    		121-8381
    		Pro-Billet LT1 Distributor
  • 1992-94 engines
    More info on MSD Ignition 8381

    Fits Applications
    		• $489.99
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    		121-83811
    		Pro-Billet LT1 Distributor
  • 1994-97 engines
    More info on MSD Ignition 83811

    Fits Applications
    Installation Instructions for MSD Ignition 83811
    		• $515.99
    Ships