Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med
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Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. Heat range Medium.
- Standard tip
- 14 mm plug
- .375" reach
- 13/16" hex
- Gasket seat
- Vendor Number: 353
Note: Please use the Vendor Number to reference the PDF chart links listed.
Heat Range Chart (PDF)
Racing Plug Tech Note (PDF)
Understanding Heat Range (PDF)
Vendor Part Number 353
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