MSD Super Conductor Spark Plug Wire Set, Chevy 366-454 w/HEI Cap

The MSD Super Conductor Spark Plug Wire Set, Chevy 366-454 w/HEI Cap is engineered from the inside out to deliver maximum spark energy for high-performance big block Chevrolet engines. Featuring an 8.5mm outer sleeve, this wire set provides incredibly low resistance without electronic interference, ensuring reliable ignition performance under demanding conditions.

Key Features

High-performance 8.5mm Super Conductor wire construction
Incredibly low resistance for superior spark energy delivery
Excellent suppression of electromagnetic and radio frequency interference
Heavy-duty terminals with secure dual crimp boots

Fitment

Chevrolet 366 Big Block V8 Engines with HEI Distributor Cap
Chevrolet 454 Big Block V8 Engines with HEI Distributor Cap

Note: Designed specifically for applications utilizing an HEI-style distributor cap; please verify vehicle and distributor configuration before ordering.