Quicksilver 847701Q7 Blue Wire Spark Plug Wire Kit for V8 MerCruiser

The Quicksilver 847701Q7 Blue Wire Spark Plug Wire Kit is engineered specifically for V8 MerCruiser high-performance engines including 454, 502, 540, and 572 cubic inch displacement models equipped with Thunderbolt IV ignition systems (1990 and newer). This complete spark plug wire set delivers reliable ignition performance in demanding marine environments.

Key Features:

• Complete set of blue spark plug wires with pre-installed boots at spark plug ends
• Custom-tailored wire lengths designed to reach each plug location without excess slack or tension
• Marine-grade construction engineered for efficiency, endurance, and durability in harsh saltwater and freshwater conditions
• OEM replacement quality from Mercury Marine's trusted Quicksilver brand
• Direct fit for Thunderbolt IV ignition systems on V8 high-performance MerCruiser engines

Quicksilver has been the leader in marine engine oils, parts, and accessories for over 65 years. As Mercury Marine's original equipment supplier, Quicksilver products undergo rigorous testing and quality control to ensure maximum performance, protection, and reliability on the water.