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$165.95
$141.50
MSD 31591 Sleeved Spark Plug Wires, SBC, Under Exhaust, Socket
MSD 31591 Sleeved Spark Plug Wires, SBC, Under Exhaust, Socket

MSD 31591 Sleeved Spark Plug Wires, SBC, Under Exhaust, Socket

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MSD 31591 Sleeved Spark Plug Wires, SBC, Under Exhaust, Socket
MSD 31591 Sleeved Spark Plug Wires, SBC, Under Exhaust, Socket
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We estimate this item will ship on or before December 14th.
Part # 54731591
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$141.50
$165.95
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 5 business days for MSD to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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GTIN Code:
085132315918

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HolleyDAYS are here again! SAVE up to 20% on this part and hundreds of other Holley brands during the 2018 HolleyDAYS sale 11/15/18-12/31/18.

The MSD 8.5mm Super Conductor is the ultimate performance wire! Its extremely low-resistance combined with the ability to suppress Electro Magnetic Interference is a combination that defies the common laws of physics.

Less resistance means more energy is going to make it to the spark plug to ignite the air/fuel mixture. The Super Conductor uses a copper alloy conductor resulting in less than 50 ohms per foot of wire! This ensures that the most energy possible makes it to the spark plug. By helically winding the conductor around a special core, we are able to produce a highly effective choke to keep the EMI inside the wire and away from other electronics.

This combination is encased in a heavy duty sleeve that will withstand abrasion and high temperatures. Cap off each end with our Dual Crimp Terminals and you have the best wire available.

Equipped with high temp silicone-fiberglass sleeving for the harshest race conditions that protects wires up to 1,000 °F.

The MSD Race Tailored 8.5mm Super Conductor Wire Sets equipped with high temp silicone-fiberglass sleeving and designed specifically to fit race engines with under exhaust wires with socket-type ends.

  • 8.5mm Super Conductor wires with high temp silicone-fiberglass sleeving.
  • For SBC race engines with under exhaust wires with socket-type ends.
  • Includes coil wire for remote mounted coils.
Some parts are not legal for use in California or other states with similar laws/regulations

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  • Having a quality spark plug wire is important to receive the best performance out of your ignition. Here's how to install spark plug wire terminals with Speedway's step by step guide.
  • Speedway Motors employee Tim M. Decided to take us along as he revives his 241 "Baby Hemi". In this installment, Tim walks us through updating the old wire covers with a nice set of Offenhauser Finned Wire Covers.
  • Spark Plug Cross Reference Guide

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