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Product Summary

239, 256, 327, 223, Gasket Spark Plug Seat Style

  • They have 14mm threads and a 7/16" reach
  • Designed to work with a 13/16" hex wrench
  • Plugs are non-resistor, copper core, standard tip
  • Has a spark plug reach of 0.437" and a thread length of 0.4375"
  • Set of 8

Comes as a Kit

Key Specs

BrandAutolite

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Details

These spark plugs fit all 1939-53 Flathead Fords. Work very well with our ignitions.

  • 14mm threads
  • 7/16" reach
  • 13/16" hex
  • Flat gasket seal
  • Set of 8

 

Application

Specifications

KEY SPECS
BrandAutolite
GENERAL
Speedway Motors Catalog Part #910-0110
Spark Plug Seat StyleGasket
Seat TaperGasket
Spark Plug Reach.437"
Thread Pitch14mm
Insulator TypeNon-projected
ResistorNo
Spark Plug Heat Range6
Core MaterialCopper
Tip MaterialNickel Alloy
Wrench Size13/16"
Sold in QuantityKit