Features:

• Rebuild your GM HEI with MSD performance.
• Exceptional high speed coil saturation for full power high rpm operation.
• Matched Coil and Module produce the highest voltage and energy.
• Complete kit with a brass terminal Cap, Rotor, Module, Coil and dust cov

About MSD

Explore MSD's range of unrivaled ignition systems and components at Holley.com!

• MSD Ignition Coil - HEI

  For GM HEI Distributors

  Part# 8225

  $101.65

  Qty: 

  Add To Cart
• HEAT HEI Module

  High output replacement HEI module with built-in rev limiter

  Part# 83647

  $147.55

  Qty: 

  Add To Cart
• Low Resistance Bushing for HEI Distributor

  Low resistance bushing will pass the secondary voltage from the distributor cap to the rotor without excessive heat buildup.

  Part# 8412

  $19.54

  Qty: 

  Add To Cart
• 84101 - Extreme Output Rotor, GM HEI

  Fits MSD HEI and GM HEI.

  Part# 84101

  $27.17

  Qty: 

  Add To Cart
• Extreme Output GM HEI Distributor Cap

  MSD HEI distributor cap replacement

  Part# 84111

  $71.81

  Qty: 

  Add To Cart
• Extreme Output Dust Cover, Internal Coil

  Coil dust cover for MSD HEI

  Part# 84022

  $48.92

  Qty: 

  Add To Cart

The following vehicles are considered Emissions Controlled Vehicles:

• 1966 and newer U.S. manufactured California Certified vehicles
• 1968 and newer U.S. manufactured Federally Certified vehicles
• 1968 and newer Foreign manufactured vehicle

C.A.R.B. EO #D-40-43