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$4.99
Autolite AR3910 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Cold
Autolite AR3910 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Cold

Autolite AR3910 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Cold

Universal Fit, Gasket Spark Plug Seat Style, Gasket Seat Taper, 0.75" Spark Plug Reach

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Autolite AR3910 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Cold
Autolite AR3910 14mm Racing Spark Plug-5/8 Hex-Gasket-3/4 Reach-Cold
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Part # 3733910
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Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Spark Plug Seat Style:
Gasket
Seat Taper:
Gasket
Spark Plug Reach:
0.75"
Thread Pitch:
14mm
Insulator Type:
Projected
Resistor:
No
Spark Plug Heat Range:
3
Core Material:
Copper
Tip Material:
Nickel Alloy
MFG. Part #:
AR3910
Overall Length:
14.00"
Wrench Size:
5/8"
Sold in Quantity:
Each
Notes:
Cold
GTIN Code:
00009100017802

Info

Autolite Racing spark plugs feature a cut back ground electrode, anti-corrosive nickel plating, and large ground electrode for better heat transfer. Heat range needed with Standard tip or Power tip Coldest. 

  • 14 mm plug
  • .75" reach
  • 5/8" hex
  • Gasket seat
  • Non-resistor
  • Vendor Number: AR3910

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

Coldest
Power Tip
Vendor Part Number AR3910
Some parts are not legal for use in California or other states with similar laws/regulations

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