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Street Race Truck More... The Toolbox
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$121.95
$98.06
MSD 31239 8.5mm Universal Spark Plug Wires Set, 90 Degree Boot
MSD 31239 8.5mm Universal Spark Plug Wires Set, 90 Degree Boot

MSD 31239 8.5mm Universal Spark Plug Wires Set, 90 Degree Boot

Universal Fit, Spiral Core Conductor Style, HEI / Male Cap Terminal Style, Red, RFI Suppression

4 Reviews | 1 Answered Question
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MSD 31239 8.5mm Universal Spark Plug Wires Set, 90 Degree Boot
MSD 31239 8.5mm Universal Spark Plug Wires Set, 90 Degree Boot
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Part # 54731239
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$98.06
$121.95
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Conductor Style:
Spiral Core
Cap Terminal Style:
HEI / Male
Cap Type:
HEI / Male
Spark Plug Boot Ends:
90 Degree
Color:
Red
RFI Suppression:
Yes
Diameter:
8.5 mm
MFG. Part #:
31239
Resistance:
50 ohms
Coil Wire Included:
Yes
Sold in Quantity:
Set
GTIN Code:
085132312399

Info

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.

What makes or breaks a plugwire is not only how well the wire is insulated, but how low of resistance the center core has.  These wire sets test 40-50 ohms per foot, while most others test 1500 ohms per foot. Low Resistance

These plug wires do require assembly although the plug end is alread installed.  Both HEI and socket style distributor ends are supplied.

Learn how to properly attach new spark plug terminals and boots by reading our tech article. How to Install Spark Plug Wire Ends.

Some parts are not legal for use in California or other states with similar laws/regulations

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  • In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!
  • 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.

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