Description
Quality spark plug wires are fundamental to engine efficiency—they directly impact ignition timing, fuel economy, and overall performance. The MSD 8.5mm Super Conductor set delivers low-resistance spark delivery with minimal electromagnetic interference, ensuring reliable firing across all RPM ranges. If you’re running a Small Block Chevy and want consistent combustion without voltage drop, this is a proven, bolt-on upgrade.
The Super Conductor Spiral Core design reduces resistance while the durable silicone and synthetic outer sleeve withstands underhood heat and vibration. The 90-degree plug boots and socket-style terminals fit securely without adapter requirements, making installation straightforward for most enthusiasts.
- 8.5mm wire diameter
- Super Conductor Spiral Core
- Low EMI suppression
- 90-degree plug boots
- Socket-style terminals
- Silicone and synthetic sleeve
- Heat and abrasion resistant
- Small Block Chevy compatible
- Complete installation kit
- Bolt-on installation






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