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Product Summary

2.3, External Ignition Box Required, Iron Gear Material

  • Has a CNC machined billet aluminum housing and Dupont Rynite base
  • Special nylon pads ensure smooth operation of the advance weights
  • Features an easy-to-adjust mechanical advance is mounted on top of the shaft
  • The advance plate and weights are fine blanked from Chromoly steel and QPQ coated for friction reduction
  • A maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range

Key Specs

MFG. Part #8473
BrandMSD
Cap TypeHEI / Male

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Details

This distributor features an aluminum housing that is CNC machined for closer tolerances than any conventional cast distirbutor. On top of the distributor base sits the adjustable mechanical advance which can be easily tailored to any engine by changing the stop bushing and advance springs. Triggering the system is the same high-output magnetic pick-up that is used in our racing distributors. This pick-up produces an extremely accurate trigger signal and is maintenance-free.

  • CNC machined billet aluminum housing and Dupont Rynite base
  • Easy-to-adjust mechanical advance is mounted on top of the shaft
  • Supplied springs and stop bushings to create a variety of timing curves
  • CNC machined billet aluminum housing and Dupont Rynite base
  • Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
  • Polished steel shaft is QPQ coated and guided by a sealed ball bearing
  • Advance plate and weights are fine blanked from Chromoly 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 a cap with HEI style terminals and rotor
  • Must be used with an MSD Ignition Control

Charts

Warranties

For warranty information, please visit http://www.msdhelp.com/

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Specifications

KEY SPECS
MFG. Part #8473
BrandMSD
Cap TypeHEI / Male
GENERAL
External Ignition Box RequiredYes
Cap Terminal StyleHEI / Male
Advance TypeMechanical
Trigger StyleMagnetic
Hall EffectNo
Sync SignalNo
Trigger SensorsSingle
Gear MaterialIron
Gear RotationStandard
Ignition Box RequiredYes
Mechanical Tach DriveNo
Slip CollarNo
Housing MaterialBillet Aluminum
Housing FinishNatural
Shaft Diameter0.51"
Rotor RotationClockwise
Marine UseNo
Sold in QuantityEach
GTIN Code085132084739