Product Summary

Chevy Small Block V8, Chevy Big Block V8

  • Includes a customizable advance mechanism and an electronic pickup
  • Has a billet 6061-T6 housing and will fit Small Block and Big Block Chevy V8's
  • The ballast resistor is included and must be utilized per included instructions
  • Features a full centrifugal advance for ease of starting along with a 3-wire hook-up
  • This distributor measures 3-1/2" in diameter and is 8-3/4" tall (above mount flange)

Key Specs

MFG. Part #91012550
BrandJoe Hunt Magnetos
Cap TypeMagneto-Look

Need To Know

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Joe Hunt Magnetos 91012550 Details

If you don't want a magneto, but love the looks, get one of these electronic distributors! These fully self-contained distributors feature full centrifugal advance for ease of starting along with a 3-wire hook-up that anyone can handle. All modern electronics give you a "State-of-the-Art" ignition system.

  • 3-1/2" in diameter
  • 8-3/4" tall (above mount flange)
  • Billet 6061-T6 housing 
  • High output 2.5 amp internal ignition coil
  • Electronic pickup
  • Customizeable advance mechanism
  • Ballast Resistor included - must be utilized per included instructions
  • 2-Red wires for Ballat Resistor W/ 3rd brown wire for Tach provided
  • 22-24 degree mechanical advance curve

Fits Small Block and Big Block Chevy V8.



  1. Overall length? 16 7/8"
  2. Installed Depth of shaft from seal surface.  7 3/4"'
  3. Installed height of body from seal surface.  8 3/4"
  4. Overall diameter of body 3 3/8"
There are 3 wires two red and one brown. 

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.

Joe Hunt Magnetos 91012550 Specifications

MFG. Part #91012550
BrandJoe Hunt Magnetos
Cap TypeMagneto-Look
External Ignition Box RequiredNo
Advance TypeMechanical
Trigger StyleMagnetic
Hall EffectNo
Sync SignalNo
Trigger SensorsSingle
Cap Diameter3.5"
Overall Height8.75"
Sold in QuantityEach