MSD 31803 Spark Plug Wire Set
MSD 31803 Spark Plug Wire Set
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MSD

MSD 31803 Spark Plug Wire Set

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Key item features

  • Custom Fitment: Designed for a custom fit, specifically compatible with Chevy Big Block engines from 1988-On, ensuring bolt-on performance.
  • Low Resistance: Features an incredibly low resistance of only 40-50 ohms per 12 inches, achieved through a copper alloy conductor for minimal spark energy loss.
  • EMI Suppression: Engineered with a tightly wound conductor and a ferro-magnetic impregnated core to create an effective Electro Magnetic Interference (EMI) choke.
  • Durable Construction: The outer sleeve is made from a proprietary blend of silicone and synthetic material, offering high resistance to heat, abrasion, and tears.
  • Secure Terminals: Equipped with 8.5mm spark plug terminals featuring a Dual Crimp design, providing separate crimps for the wire sleeve and the conductor.
  • Advanced Winding: Over 40 feet of conductor is tightly wrapped into a single foot of plug wire, enhancing its voltage carrying capabilities and suppression.
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Compatible vehicles

YearMakeModelSubmodelEngine
1989GMCV3500BaseV8 7.4L
1989GMCV3500High SierraV8 7.4L
1989GMCV3500Sierra ClassicV8 7.4L
1989GMCV3500All SubmodelsV8 7.4L
1989GMCR3500BaseV8 7.4L
1989GMCR3500High SierraV8 7.4L
1989GMCR3500Sierra ClassicV8 7.4L
1989GMCR3500All SubmodelsV8 7.4L
1989ChevroletV3500CheyenneV8 7.4L
1989ChevroletV3500ScottsdaleV8 7.4L
1989ChevroletV3500SilveradoV8 7.4L
1989ChevroletV3500All SubmodelsV8 7.4L
1989ChevroletR3500CheyenneV8 7.4L
1989ChevroletR3500ScottsdaleV8 7.4L
1989ChevroletR3500SilveradoV8 7.4L
1989ChevroletR3500All SubmodelsV8 7.4L
1988GMCV3500BaseV8 7.4L
1988GMCV3500High SierraV8 7.4L
1988GMCV3500Sierra ClassicV8 7.4L
1988GMCV3500All SubmodelsV8 7.4L
1988GMCR3500BaseV8 7.4L
1988GMCR3500High SierraV8 7.4L
1988GMCR3500Sierra ClassicV8 7.4L
1988GMCR3500All SubmodelsV8 7.4L
1988ChevroletV30CheyenneV8 7.4L
1988ChevroletV30Custom DeluxeV8 7.4L
1988ChevroletV30ScottsdaleV8 7.4L
1988ChevroletV30SilveradoV8 7.4L
1988ChevroletV30All SubmodelsV8 7.4L
1988ChevroletR30CheyenneV8 7.4L
1988ChevroletR30Custom DeluxeV8 7.4L
1988ChevroletR30ScottsdaleV8 7.4L
1988ChevroletR30SilveradoV8 7.4L
1988ChevroletR30All SubmodelsV8 7.4L

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