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MSD 85555 Chevy Black V8 Pro-Billet Distributor
MSD 85555 Chevy Black V8 Pro-Billet Distributor

MSD 85555 Chevy Black V8 Pro-Billet Distributor

Chevy Small Block V8, Chevy Big Block V8, External Ignition Box Required, HEI / Male Cap Type

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MSD 85555 Chevy Black V8 Pro-Billet Distributor
MSD 85555 Chevy Black V8 Pro-Billet Distributor
MSD 85555 Chevy Black V8 Pro-Billet Distributor
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MSD 85555 Chevy Black V8 Pro-Billet Distributor
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Part # 54785555
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Details

External Ignition Box Required:
Yes
Cap Type:
HEI / Male
Cap Terminal Style:
HEI / Male
Advance Type:
Mechanical
Trigger Style:
Magnetic
Hall Effect:
No
Sync Signal:
No
Trigger Sensors:
Single
Gear Material:
Iron
Gear Rotation:
Standard
Distributor Cap Color:
Black
Ignition Box Required:
Yes
Mechanical Tach Drive:
No
Slip Collar:
No
Housing Material:
Billet Aluminum
Housing Finish:
Natural
Emissions:
California EO Approved
Marine Use:
No
MFG. Part #:
85555
Sold in Quantity:
Each
GTIN Code:
085132855551

Info

This is our most popular performance distributor! Must be used with an MSD 6, 7 or 8-series ignition. Now in Black!

The housing is machined from a billet of 6061-T6 aluminum on a state-of-the-art CNC machine producing exact tolerances. For high rpm stability, a .500” steel shaft is supported by a sealed ball bearing and a long sintered bushing. This shaft also receives a QPQ coating for friction reduction and resistance to corrosion. A precision machined reluctor is attached to the shaft which triggers the magnetic pick-up mounted in the housing. This high output magnetic pick-up is the most accurate way to trigger your ignition. Plus, with no moving parts to wear or adjust, the pick-up is maintenancefree! Just above the pick-up is MSD’s adjustable mechanical advance assembly. Different springs and stop bushings are supplied so you can tune an advance curve to match your application. Must be used with an MSD 6, 7 or 8-series ignition.

Installation Instructions

Features

  • CNC machined billet aluminum housing and billet aluminum base
  • Will not accept a vacuum advance canister
  • Must be used with an MSD Ignition Control
  • Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
  • O-ring seals can be added to modified blocks to improve oil pressure control
  • Special oil tract improves lubrication to the distributor and cam gear
  • Nylon pads ensure smooth operation of the advance weights
  • Advance weight pins are staked and tig welded to the plate
  • Mechanical advance assembly can be locked out for crank trigger systems
  • Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
  • Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing
  • Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
  • Easy-to-adjust mechanical advance with supplied springs and stop bushings
  • No CARB Exemption Order Number

Notes

This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

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

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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