Twin Power Black High Performance Coil OEM Replacement 31639-99

• Twin Power coils are high-quality direct fit with at least 20% more voltage than stock.

• High-quality, molded-epoxy coils for 12-Volt ignition systems increases peak spark voltage by 20% or more!

• In a late O.E.M.-style molded case, these ignition coils improve starting, stops high-speed misfires, increases mileage and overall performance.

• Come with a one-year manufacturer’s warranty.