Super Conductor Spark Plug Wire Set, Big Block Chevy Marine, HEI

For use on Chevy Big Block Marine engines, HEI, Red jacket

PART# 31489

Suggested Retail: $113.95
Your Price:$101.95
Free Shipping on orders over $100*


Reliability is just as important as performance in marine applications and MSD’s spark plug wires are up for the task. MSD wires are designed with a tough, high heat sleeve that also provides excellent abrasion protection. Dual Crimp terminals provide the strongest connections to the wire and lock to the spark plug terminal.


  • Custom fit for make and model listed.
  • Wires are precut to exact specifications
  • Bolt-on performance


Emission Code1


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
*Free Shipping & Handling only offered to the continental US on orders over $100.