1975-1984 ACDelco RapidFire Platinum Spark Plug - OEM Number(s) (19307138)
If your Corvette is experiencing rough idle, hesitation during acceleration or backfiring, chances are it is time for an Ignition Tune-up. Improve performance, get better gas mileage and maintain a hotter spark!
ACDelco RapidFire Spark Plugs Feature:
- Ribless insulator that improves the plug-to-boot seal
- Tapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
- One-piece integral suppressor seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage
- When compared to conventional spark plugs: Reduced sparking voltage - Greater corrosion protection.
- Longer life and improved efficiency over conventional plugs
Also known under these part numbers: (For reference only)
- 2-ACDELCO
- 19307138
- 25164640
- 808709111443