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Autolite 103 Spark Plug
Good Plug for Stock Replacement, Mild Modification and Bolt Ons
The Autolite 103 Spark Plugs are a great plug for stock or mildly modified engines with stock compression ratios. Not recommended for any type of power adder application. Very good plugs for a near stock daily driver.
- Manufacturer Heat Range:3
- Electrode Core Material:Copper
- Electrode Tip Material:Copper
- Insulator Type:Projected
- Spark Plug Thread Size:14mm
- Spark Plug Reach:0.708 in.
- Spark Plug Seat Style:Tapered
- Wrench Diameter:5/8 in.
- Item Requires Shipping
- 1.0 lbs.
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