Parts & Accessories Spare parts Peace be upon you. A set of performance coils for sale, 8 pieces, working and guaranteed. Fits Ford Crown Victoria or Grand Marquis, all models from 1995 to 2011. Benefits and Specifications: Performance Increase: Increases horsepower by a small percentage, up to 5%. Stronger Spark: Improves fuel combustion inside the engine. Longer Lifespan: Higher quality than regular OEM parts.