Corvette Spark Plugs, Rapidfire, #1, ACDelco, 1985-1986Early

• Get 2% Better Gas Mileage
• Experience 27% Smoother Idle
• Guaranteed Easier Starting

ACDelco Rapidfire Spark Plugs feature an electrode system that can revolutionize your engine's performance. The splined, multi-point center electrode and extended ground electrode with a tapered center are what produce better combustion, smoother idle and faster starts. Set of eight.