Autolite AR13 14mm Racing Spark Plug, 5/8 Hex-Tapered Seat, .460 Reach
- This product is discontinued.
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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 Colder.
- Standard tip
- 14 mm plug
- .460" reach
- 5/8" hex
- Tapered seat
- Vendor Number: AR13
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 AR13
Q & A
Pat talks about our red solid core spark plug wire and rajah ends.