Revitalize your classic ride with our premium 1967-1968 Plymouth Belvedere/Savoy/Satellite/GTX/Road Runner/Super Bird Lectric Spark Plug Wire Set. Designed specifically for 440 cubic inch engines, this replacement wire set ensures optimal performance and reliability. Unlike generic options, our spark plug wires offer superior conductivity and durability, helping your engine run smoother and start easier. Experience the difference and keep the spirit of your vintage muscle car alive!