KR6A-10 1678 SILKR6C10E Engine Spark Plug delivers unmatched ignition efficiency with iridium-enhanced center electrode, ensuring 30% faster cold starts. Precision-laser welded tip resists carbon buildup for 60K+ miles durability under extreme turbocharged conditions.

Multi-brand compatible design fits Toyota 4Runner (2020-2023), Hyundai Santa Fe (2.4L), Mazda CX-5 Skyactiv, and Ford F-150 EcoBoost without mods. Triple-gasket sealing prevents combustion leaks even at 650°C cylinder temps.

CNC-machined hex body with anti-corrosive nickel plating allows effortless torque application (18-22Nm). Optimized heat range (NGK 6 equivalent) prevents pre-ignition in stop-and-go city driving or heavy towing.

Direct OEM replacement for Denso 97098, Bosch 12290-5PA-A01. Ships factory-pre-gapped at 0.044" with crush-proof ceramic insulator. Bulk pallet orders available for commercial repair shops.