High-Performance Spark Plugs Direct replacement for OE Numbers 4503. Reduces engine wear and improves fuel efficiency. Iridium-tipped electrodes and CNC-machined metal shells ensure precise spark delivery, faster starts, and smoother acceleration. Isostatic ceramic insulators prevent voltage leaks for consistent combustion.
Strict Quality Test Tested to eliminate misfires, rough idling, stalling, and check engine lights. Each coil/spark plug undergoes voltage stability checks across RPM ranges for reliable ignition under extreme conditions. Fixes hesitation, backfiring, and power loss while optimizing engine performance.
What You GetYou can get a package including ignition coil *8, spark plug *8, manual *1. Our coil packs and spark plugs meet or exceed OE specifications for form, fit and function and are perfect for automotive replacement ignition coils and spark plugs set. ensures you with an 24-month pleasant experience and top customer service. Please feel free to let us know if have any questions about this spark plugs and coil packs kit.