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Edelbrock Max‑Fire Ultra‑Spark 500 spark plug wires for SBC 1978–1986 HEI applications offer 500 ohms of EMI/RFI suppression and a durable 8.5mm silicone jacket protecting a Kevlar spiral core. Positioned as a value‑priced OEM replacement, Ultra‑Spark 500 balances noise suppression and low resistance for daily drivers and budget builds. See the application chart for vehicle‑specific kit selection and fitment guidance.
Edelbrock Spark Plug Wire Set SBC 78-86 V8 Hei 500 Ohm Resistance Black (Set of 8)
