Designed Exclusively For Marine Engines! Magstar is the only high performance marine wire set that practically eliminates radio interference with onboard electronics. Stainless steel spark plug terminals provide a positive corrosion-proof connection. Pure silicone boots provide maximum heat protection. Guaranteed for as long as you own your boat.
This wire set, for 4-cylinder, works with Mercruiser 470, 485, 488, and 3.7L; OMC 2.5L and 3.0L.