Features
- Up to 10% Increased Spark
- Increased Thermal Conductivity
- Bobbin Technology
- Direct OEM Fitment and Replacement
- Magnetic Steel Cores
Product Details
Toyota Highlander 2003, Pencil Coil by AEM Performance Electronics®. Engineered to outperform, these coils are designed to help you unlock more power and efficiency from your ignition system. Delivering up to 10% more spark energy in a compact OEM-style package, these coils provide a true drop-in performance upgrade—no modifications required. Experience enhanced ignition performance with the convenience of a direct-fit solution. Engineered for performance, these coils are manufactured using advanced bobbin technology with specialized silicone magnetic steel cores and precision-wrapped windings. This design ensures optimal resistance and accurate turn ratios, delivering consistent, high-energy spark while enhancing thermal stability and mechanical strength for reliable performance under demanding conditions.