Description: Made from Polyvinyl Chloride. Providing high electrical resistance, strong spark from plugs, and being resistant to corrosion and abrasion. Helps ensure proper engine performance, maximize fuel economy. Delivers more torque quicker starts instant throttle response better acceleration. Engineered specifically for ford mercury optimax 300-8M0077471. Specification: Material: Polyvinyl Chloride Size Chart: Size: Approx. 11x9.5x5cm/4.33x3.74x1.96inch Package Includes: 1 Piece Ignition Coil
