Standard Motor Products 55503 Spark Plug Wire Set Silicone - 8mm/7mm

The Standard Motor Products 55503 spark plug wire set delivers reliable ignition performance with premium silicone construction. This wire set features a combination of 8mm and 7mm silicone-jacketed wires engineered to provide superior heat resistance, electrical insulation, and long-lasting durability in demanding engine environments.

Key Features:

• 8mm and 7mm silicone outer jacket construction for superior heat and abrasion resistance
• Spiral core conductor design for effective suppression of electromagnetic interference (EMI) and radio frequency interference (RFI)
• High-temperature silicone insulation withstands extreme underhood temperatures
• Precision-manufactured terminals ensure secure connections to spark plugs and distributor or coil
• Application-specific wire lengths for proper routing and factory-style fit
• Resistant to oil, fuel, and chemical contamination

Standard Motor Products is a leading supplier of ignition components to the automotive aftermarket, known for quality engineering and OE-equivalent performance. This spark plug wire set provides dependable spark delivery and is designed to restore ignition system performance to original specifications.