Product Summary

External Ignition Box Required, HEI / Male Cap Type

  • Has a smaller diameter CNC machined billet aluminum housing and billet aluminum base clears aftermarket heads and valve covers
  • Includes a easy-to-adjust mechanical advance with supplied springs and stop bushings
  • Comes with a maintenance-free magnetic pickup and precision reluctor that creates a stable trigger signals throughout the rpm range
  • Steel shaft is QPQ coated and guided by two sealed ball bearings
  • Includes an advance plate and weights that are fine blanked from chrome moly steel and QPQ coated for friction reduction
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Key Specs

D-40-39
MFG. Part #8546
BrandMSD
Cap TypeHEI / Male
Advance TypeMechanical
CARB EO#
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Need To Know

Quick and Easy Returns

Return Policy

MSD 8546 Details

Since many Chrysler enthusiasts use the B1 head or aftermarket valve cov­ers, these Pro-Billet Chrysler Distributors have been designed with a small diameter housing. This allows the distributors to fit tight block and head combinations.
  • Smaller diameter CNC machined billet aluminum housing and billet aluminum base clears aftermarket heads and valve covers
  • Easy-to-adjust mechanical advance with supplied springs and stop bushings
  • Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
  • Polished steel shaft is QPQ coated and guided by two sealed ball bearings
  • Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
  • Mechanical advance assembly can be locked out for crank trigger systems
  • Advance weight pins are staked and tig welded to the plate
  • Nylon pads ensure smooth operation of the advance weights
  • Supplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap-A-Dapt)
  • Must be used with an MSD Ignition Control
  • No CARB Exemption Order Number

Charts

MSD 8546 Specifications

D-40-39
KEY SPECS
MFG. Part #8546
BrandMSD
Cap TypeHEI / Male
Advance TypeMechanical
CARB EO#
GENERAL
External Ignition Box RequiredYes
Cap Terminal StyleHEI / Male
Trigger StyleMagnetic
Hall EffectNo
Sync SignalNo
Trigger SensorsSingle
Gear RotationStandard
Distributor Cap ColorRed
Ignition Box RequiredYes
Mechanical Tach DriveNo
Slip CollarNo
Housing MaterialBillet Aluminum
Housing FinishNatural
EmissionsCalifornia EO Approved
Marine UseNo
Sold in QuantityEach
GTIN Code085132085460

Ratings & Reviews

5

1 Review

5

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5

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Very good product!

5.0

7 years ago

SIZE does matter

Vincentown NJ

Verified

Very good product

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

1 Question • 1 Answer

How do I lock out the timing on this distributor? It is strictly a race car. Any videos??

by Paul

• 7 years ago

1 answer

1 of 1 questions shown

Fitment

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