Click to enlargeUnder Header HEI Ignition Wires

MSD 31769 Super Conductor under header spark plug wires.

For Chevrolet small block engines with HEI distributor.

Red in color with grey boots.

Custom cut and pre-assembled for the small block and ready to install.

The MSD Super Conductor 8.5 mm ignition wires feature a copper alloy conductor that has a resistance value of less than 50 ohms per foot for superior spark energy to the plugs.

A ferro-magnetic impregnated core creates an effective EMI choke.

Forty feet of conductor is wound into a single foot of wire for high EMI suppression. Conductor core features Dupont Kevlar material for increased tensile strength.

Durable outer sleeve is a proprietary compound for resistance to high heat and abrasion.

MSD 31769 Super Conductor spark plug wires for Chevy small block HEI under header MSD-31769$99.97

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