Standard Motor Products 55915 Silicone Spark Plug Wire Set - 8mm/7mm

The Standard Motor Products 55915 is an 8mm/7mm silicone spark plug wire set engineered as a direct-fit OEM replacement for your vehicle's ignition system. Designed to restore factory-level ignition performance, this set delivers reliable high-voltage transfer from the distributor or coil to each spark plug.

Key Features:

• Silicone construction — provides excellent heat, moisture, and chemical resistance for long service life in demanding under-hood environments
• Dual wire diameter design — 8mm primary wires with 7mm secondary wires, matched to OEM specifications
• Direct-fit replacement — pre-terminated to factory specifications with no cutting or modifications required
• RFI suppression — spiral-core conductor design minimizes radio frequency interference that can cause misfires and electronic system noise
• OE-style boots and terminals — stock-style boot ends ensure secure, leak-free connection at the spark plug and coil/distributor
• Vehicle-specific fitment — engineered for precise application fit, eliminating guesswork during installation

Standard Motor Products spark plug wire sets are manufactured to meet or exceed original equipment standards, making the 55915 a dependable choice for restoring ignition efficiency and eliminating symptoms like rough idle, engine misfires, and crossfire interference.