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Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med

SAME DAY SHIPPING! Most orders ship within 24 hours.

Specs
Overall Length:
14.00
Sold in Quantity:
Each
Seat Taper:
Gasket
Wrench Size:
13/16"
Spark Plug Reach:
.375
MFG. Part #:
A353
Garage Sale:
No
Autolite A353 14mm Spark Plug-13/16 Hex-Gasket Seat .375 In Reach, Med

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Details

Reviews

Q & A

What's in the Box

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
  • Non-resistor
  • 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)

Autolite Cross Reference Chart (PDF)

 

Item Details

Medium
Vendor Part Number 353

Customer Reviews

This product has no reviews.

Product Q&A

1 questions : 1 answers

whats the difference in the cold plug from the medium plug? i just want to know what would work best for my car, i run a h.e.i.

1 answers
fireball
san diego
February 18, 2011

whats the difference in the cold plug from the medium plug? i just want to know what would work best for my car, i run a h.e.i.

Answers

February 21, 2011
Jason
The medium plug is a hotter burning plug. The outside air temp and air/fuel mixture will determine witch plug would work better. The medium range is a good starting point and after a race examine plug to determine if it is correct or not. Plug should have a light tan color to it.
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  • Standard tip
  • 14 mm plug
  • .375" reach
  • 13/16" hex
  • Gasket seat
  • Non-resistor
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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)

Autolite Cross Reference Chart (PDF)