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Moroso 9864M Mag-Tune 8.0mm Spark Plug Wires for Chevy GMC Big Block

(Chevrolet Camaro 1967-72, Corvette 1965-74, Impala 1965-74, Malibu 1973-74, Chevelle 1965-73, C10 Pickup 1966-74, Caprice 1966-74 + 40 more models)

Manufacturer

Picture for manufacturer Moroso

Part Number

9864M
13 reviews
Sale Price

$48.49

1 left at this price

delivery box

Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Moroso 9864M Mag-Tune spark plug wire set delivers high-performance ignition for Chevrolet and GMC big block engines. Engineered with a spiral core design, these 8.0mm wires provide superior electromagnetic interference (EMI) suppression while maintaining excellent spark energy transfer.

Key Features:

  • 8.0mm diameter high-temperature silicone jacket in black for durability and heat resistance
  • Spiral core construction reduces EMI and RFI while delivering consistent spark
  • Pre-assembled with straight socket-style terminals for direct plug connection
  • Complete kit with all wires needed for big block Chevrolet/GMC V8 engines
  • Moroso Mag-Tune design optimized for high-performance and racing applications
  • Superior resistance to heat, oil, and chemical contamination

This complete wire set provides reliable ignition performance for street, strip, and marine big block applications. The spiral core design ensures strong spark delivery while maintaining clean radio and electronics operation.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1965-74, Impala 1965-74, Malibu 1973-74, Chevelle 1965-73, C10 Pickup 1966-74, Caprice 1966-74, El Camino 1966-74, Suburban 1966-67, Nova 1969-72, K10 Pickup 1966-74, C20 Pickup 1966-74 + 35 more models

Assembled

Yes

Coil Wire Included

Yes

Conductor Style

Spiral core

Diameter (mm)

8.00mm

Distributor Boot Color

Black

Distributor Boot Material

Silicone

Distributor Terminal Ends

Female/Socket

Notes

Designed to be routed over the valve covers.

Quantity

Sold as a kit.

RFI Suppression

Yes

Spark Plug Boot Color

Black

Spark Plug Boot Ends

Straight

Spark Plug Boot Material

Silicone

Wire Color

Black

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