MSD Ignition 31779 - MSD 8.5mm Red Super Conductor Spark Plug Wires

MSD Ignition #121-31779

Red Super Conductor 8.5mm Wires

1977-87 Chevy 366/426/454 HEI

Boots: Multi-angle & HEI

Coil wire not included

Accessories

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Complete list of MSD 8.5mm Red Super Conductor Spark Plug Wires

Overview
Accessories

The Ultimate Spark Plug Wire
Incredibly Low Resistance
Without Electronic Interference

Features

Only 40-50 ohms resistance per foot of wire (lowest of any helically-wound wire)

MSD Ignition Copper alloy conductors result in less spark energy loss so more reaches spark plugs

Over 40 feet of conductor per foot of wire

Conductors are wrapped around ferro-magnetic center cores, which effectively suppresses electro magnetic interference

Outer sleeves consist of silicone and synthetic material for a strong resistance to heat, abrasion, and tearing

Click to enlarge

Universal Wire Sets
For those who want to design & route their spark plug wires, Red Super Conductor Universal 8.5mm Wire Sets have spark plug terminals and boots installed with the opposite ends open. Distributor cap terminals and boots are included so you can cut wires to desired lengths; use the included mini-stripper crimper to install terminals. 2-in-1 Wire Sets include terminals and boots for both socket and HEI-style distributor caps.

BOOT KEY
Multi-Angle Straight but can be bent 90°+
Socket For old socket or points style cap
HEI 90° for spark plug type terminals
(nipple on boot top for special retainers)
90° For spark plug type terminals