High-Performance Iridium Spark Plug SP-535 CYFS-12-Y1
Precision-engineered with ultra-fine iridium alloy tip for exceptional durability and consistent spark performance. Advanced laser-welded construction ensures extended service life, reducing replacement frequency. Optimized for fuel efficiency and smoother ignition, ideal for C-MAX, Fusion, and Lincoln MKZ models. Direct OEM replacement (SP-535 / CYFS12Y1) with exact fitment—no modifications required. Superior anti-corrosion nickel-plated shell resists heat and wear, maintaining peak conductivity. Ideal for high-mileage drivers and performance enthusiasts demanding reliability. Buy in bulk for unbeatable wholesale pricing—exclusive to global resellers and auto shops.