MSD Black 8.5mm Super Conductor Spark Plug Wire Set for Small Block Chevy HEI 31353

Description

Reliable spark plug wire performance is non-negotiable when you’re running a Small Block Chevy—weak ignition signals mean lost power, misfires, and inconsistent combustion. The MSD Black 8.5mm Super Conductor set eliminates guesswork with proven Super Conductor technology and a spiral core design that cuts electromagnetic interference, ensuring your ignition fires cleanly on every cycle. This is a bolt-on upgrade that delivers measurable improvements in throttle response and engine stability without breaking the bank.

Built for racers and street enthusiasts who demand reliability, this complete wire set features thick-gauge construction and silicone 90-degree boots for a secure fit in tight engine bays. The copper alloy conductor maintains low resistance under load, while HEI-style terminals lock in tight to your distributor cap—no slipping, no wondering if your spark is getting through.

• Wire Diameter: 8.5mm
• Conductor: Copper alloy
• Core Design: Spiral
• Boot Material: Silicone
• Boot Angle: 90 degrees
• Terminal Style: HEI
• Color: Black
• Fitment: Small Block Chevy
• MPN: 31353
• Installation: Bolt-on