Description
Reliable spark plug wire performance directly impacts ignition timing consistency and engine efficiency—critical factors whether you’re tuning on the dyno or racing at the strip. The Moroso Mag-Tune wire set delivers a spiral core design that minimizes electromagnetic interference, ensuring clean signal transfer to your plugs under high RPM and boost conditions. Built for Small Block Chevy engines, these 90-degree boots provide secure fitment without adapter hassles, giving you one less variable to worry about when dialing in your setup.
- Spiral core construction
- 8.0 mm diameter
- 90 degree plug boots
- Socket style connectors
- Small Block Chevy fitment
- Non-HEI compatible
- Black finish
- Complete wire kit
- Moroso part 9865M






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