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Autolite AR94 Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot
Autolite AR94  Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot

Autolite AR94 Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot

Universal Fit, Tapered Spark Plug Seat Style, 0.708" Spark Plug Reach, 14mm Thread Pitch

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Autolite AR94  Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot
Autolite AR94  Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot
Autolite AR94 Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot
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Autolite AR94  Spark Plug-5/8 Hex, .708 Reach, Tapered, Power Tip, Hot
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Part # 37394
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Details

Spark Plug Seat Style:
Tapered
Spark Plug Reach:
0.708"
Thread Pitch:
14mm
Insulator Type:
Projected
Resistor:
No
Spark Plug Heat Range:
4
Core Material:
Copper
Tip Material:
Nickel Alloy
MFG. Part #:
AR94
Wrench Size:
5/8"
Sold in Quantity:
Each
Notes:
Hot
GTIN Code:
00009100017789

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 Hot. 

  • Power Tip
  • 14mm plug
  • .708" reach
  • 5/8 hex
  • Tapered seat
  • Non-resistor
  • Vendor Number: AR94

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

.708" Reach 5/8" Hex Tapered Seat Power Tip
Vendor Part Number AR94

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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  • In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!

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