Mercruiser (4 Cyl) HT Lead Set 84-813720A5 (631-0007)

Fits: MERCRUISER 1982-1989 (GM – 120, 2.5L, 140, 3.0L Series) Marine Gasoline Engines.

Replaces the following parts:

Mercruiser: 84-813720A5, 84-816761Q5.
Sierra: 18-8800-1.

These spark plug wires are designed with performance in mind and made with the highest quality materials that you’ve come to expect from the World’s Leading Marine Ignition Specialists.

Spark Plug Wire Features

• 8mm Wires with Kevlar Cores
• Corrosion-Resistant Terminals made of high quality stainless steel, copper, and bronze
• High Voltage Dielectric Silicone Boots that seal perfectly with the cable, allowing for better protection and maximum resistance to heat, abrasion, and chemicals
• Silicone Impregnated Fiberglass Sleeving adds up to 8,000 volts of additional insulation protection