Product Summary

396, 402, 427, 454, 496, 502, HEI / Male Cap Type

  • Brass terminals in cap
  • 4340 chromoly steel bottom gear, for use with cast and steel billet cams
  • Vacuum advance
  • 4-pin ignition module rated to 7500 rpm
  • Mechanical advanced

Key Specs

MFG. Part #91012371
BrandSpeedway Motors
Cap TypeHEI / Male
Advance TypeMechanical and Vacuum

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Speedway Motors 91012371 Details

  • HEI for S/B & B/B Chevy
  • High performance ignition module
  • Brass terminals in cap
  • 50,000V coil
  • Mechanical advance
  • High perf. rotor
  • Coil cover
  • Vacuum advance
  • Incredible Price

NOTE:  **Will not work with billet roller cams!**

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.

Speedway Motors 91012371 Specifications

MFG. Part #91012371
BrandSpeedway Motors
Cap TypeHEI / Male
Advance TypeMechanical and Vacuum
External Ignition Box RequiredNo
Cap Terminal StyleHEI / Male
Trigger StyleMagnetic
Hall EffectNo
Sync SignalNo
Trigger SensorsSingle
Sold in QuantityEach