ACDelco CR42TS/CR43TS Spark Plug Pair

Pair of ACDelco CR42TS and CR43TS Spark Plugs, the factory-recommended plugs for 1986–1987 Buick Grand National, Turbo Regal, and T-Type engines.
These genuine ACDelco plugs are designed for optimal performance under boost, delivering reliable ignition and consistent spark at high cylinder pressures.

Perfect for street or mild performance applications where OEM-style heat range and reliability are key.

🔹 Condition: New (Open Box – Never Installed)
🔹 Fitment: 1986–1987 Buick Grand National / Turbo Regal / T-Type (3.8L Turbo)
🔹 Part Numbers: CR42TS / CR43TS
🔹 Brand: ACDelco
🔹 Quantity: (2) Spark Plugs

💬 Notes: Original ACDelco packaging shows light wear from storage. Both plugs are new and clean.

⚠️ All sales final. Sold as-is. No returns, refunds, or exchanges.