Universal 8.5mm Super Conductor Spark Plug Wire Set for Chevy Big Block

MSD 31523 Super Conductor spark plug wire set. Features 8.5mm red wires, universal fit for Chevy small block engines, ensures optimal spark delivery, sold as a set.

MSD 31293 black Super Conductor spark plug wire set. Features 8.5mm black wires, fits Chevy big block engines, ensures optimal spark delivery, sold as a set.

MSD 31489 Super Conductor spark plug wire set. Features 8.5mm red wires, fits Chevy big block marine HEI engines, ensures optimal spark delivery, sold as a set.

MSD 31803 black Super Conductor spark plug wire set. Features 8.5mm black wires, fits Chevy big block 1988-on engines, ensures optimal spark delivery, sold as a set.

MSD 31373 black Super Conductor spark plug wire set. Features 8.5mm black wires, fits Chevy big block socket-style engines, ensures optimal spark delivery, sold as a set.