Autolite AR133 14mm Racing Spark Plug-5/8 Hex, Tapered, .46 Reach, Med
Universal Fit, .46" Spark Plug Reach
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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
- .460" reach
- 5/8" hex
- Tapered seat
- Vendor Number: AR133
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 AR133
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