Sierra 18-8820-1 Spark Plug Wire Set for OMC Sterndrive/Cobra Sterndrives. Replaces OMC 503754. For 8-cylinder engines (V8 305, 350, 454, 5.0L, 5.7L, 7.4L, 8.2L, 302, 351) and EST Electronic ignition type.

Features

• Kevlar core for maximum durability and long life
• Durable stainless steel wound conductor for maximum horsepower and engine performance
• Premium silicone jacketing and boots for the ultimate in high temperature protection
• Superior RFI suppression for the most sensitive electronic system
• Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity

About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.

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