SKU: MSD31369
UPC: 085132313693
MPN: 31369
The MSD 454 Chevy HEI spark plug wire set is a complete ignition upgrade designed specifically for big block Chevrolet engines running HEI-style distributors. This 8-cylinder wire kit is ideal for street applications, performance builds, and classic muscle car restorations where reliable ignition is essential.
Each wire in this MSD 31369 set measures 8.5mm in diameter and features a Super Conductor spiral core construction that reduces electromagnetic interference while maintaining high voltage integrity. The red insulation not only provides easy identification but also adds aesthetic appeal to engine bays. The straight plug boots ensure secure, leak-free connections at the spark plugs, while the HEI-style terminal guarantees proper fitment with original and reproduction HEI caps.
This wire set is engineered for big block Chevy owners—whether running a stock 454, a performance-built 427, or a vintage big-displacement engine in a restoration project. MSD Ignition wire sets are favored by engine builders, hot rod enthusiasts, and weekend warriors who demand reliability under load, especially at high RPM and under heavy acceleration.
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