Distributor, 95 to 97 General Motors LT-1 5.7L
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MSD Ignition Distributor, 95 to 97 General Motors LT-1 5.7L

Part No. 83811 Warranty Details  
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Leave it to MSD to build an all-out performance distributor to replace the OEM GM LT1 optispark! We machine an entire billet block of aluminum down into a precise housing that fits in place of the factory piece. Then, we fill it with a reliable new pick-up assembly, a trick timing adjustment mechanism and top it off with an all new MSD distributor cap! The pick-up is an advanced optical encoder, a different style of optical pickup than the OEM. This type of pick-up has proven to be very reliable and stable through extreme RPM and conditions. Once installed, you have the ability to adjust the ignition timing - the only distributor that offers timing adjust ability! An adjustment screw allows the timing to be tweaked up to +/-5°. The distributor is equipped with a fresh air vent and has an extra thick mounting surface for the cap to eliminate leaks. The distributor is supplied complete with our heavy duty LT1 cap, rotor and the components required for installation.

Product Features:
  • Advanced optical encoder trigger design for accuracy and reliability
  • Easily adjust the timing up to +/-6°
  • Uses own trigger wheel and digital encoder
  • Fresh air vented and sealed to keep the elements out
  • Large ball bearing stabilize
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by PowerReviews
MSD IgnitionDistributor, 95 to 97 General Motors LT-1 5.7L

(based on 1 review)

Ratings Distribution

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  • 1 Stars



Reviewed by 1 customer

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(6 of 6 customers found this review helpful)


Great Product/Great Performance


from Fort Lauderdale, FL

About Me Auto Enthusiast, Competitive Driver, Mechanic

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3 or more reviews submitted


  • Durable
  • Improves Engine Efficiency
  • Increases Power
  • Lightweight


  • Difficult To Install

Best Uses

  • Everyday Driving
  • Performance Driving
  • Racing
  • Replacement

Comments about MSD Ignition Distributor, 95 to 97 General Motors LT-1 5.7L:

I personally installed this unit in my 1995 Chevrolet Camaro Z28. I wanted more reliability than OE had to offer, once my stock distributor died on me. This is a great alternative to the OE GM Opti-Spark. Installation was a little cumbersome, however the results were well worth the challenge. The incorporation of extra bolts (which hold the unit together) has eliminated possible leaks into the system, which all so often caused optical failure. The addition of being able to +5/-5 degrees on the timing of this unit, has allowed me to not only increase my power, but save on fuel economy.

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1 Question | 1 Answer
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  • Q:

    Does this distributor come complete with cap & rotor?
    Asked on 5/18/2014 by HiPower151 from Richmond,Va

    1 answer



      Hi HiPower, glad to assist you! The distributor is supplied complete with our heavy duty LT1 cap, rotor and the components required for installation.

      Answered on 5/19/2014 by Steve from AAP
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