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Autolite 103 Spark Plug

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Good Plug for Stock Replacement, Mild Modification and Bolt Ons
Pricing: $3.99
Qty:
AUT-103
  • AUT-103
  • Description

    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.