When you need to replace the spark plugs in your 1986-1989 Corvette, then consider these 4 count Denso Double Platinum Spark Plugs #3174. Denso plugs feature platinum on both the center and ground electrodes. Platinum fights corrosion and erosion, which ensures superior spark performance, and max spark plug life in excess of 60000 miles.
- Note: P65 warning for California residents.
- Features:
- Platinum center electrode.
- Premium shell construction with machine-rolled threads.
- Spark performance up to 60,000 miles.
- Durable.
- Fights corrosion and erosion.
- Premium shell construction with machine-rolled threads.
- Increased ignition efficiency.
- Reduced secondary required voltage.
- 4 count.
- Heat Range - 16.
- Fits:
- C4 1986-1986 Corvettes.
- Corvette Is A Registered Trademark Of The General Motors Corporation.