Premium Spark Plug K16R-U11 – High-Performance Ignition for Top-Tier Vehicles

Durable Iridium Center Electrode – Ensures precise spark delivery with superior wear resistance, extending plug life up to 40% longer than standard copper cores.

Laser-Welded Fine Wire Tip – Minimizes voltage requirements while maximizing combustion efficiency, ideal for turbocharged engines (Audi/Porsche) and high-compression models (Subaru/Chevrolet).

Multi-Application Compatibility – Direct fit for Saab 9-3, VW Golf GTI, and Porsche Boxster (2005-2012), with OE-matched thread pitch (14mm) and hex size (16mm).

Triple-Gasket Sealing System – Prevents combustion leaks in extreme conditions (-30°C to 1400°C), critical for cold-start reliability in Nordic climates.

Anti-Corrosion Nickel Plating – Protects base threads from salt/acid degradation, essential for coastal or winter-driven vehicles.

Pre-Gapped to 0.044" (1.1mm) – Factory-calibrated for immediate installation without adjustment, saving 15+ minutes per cylinder vs. traditional plugs.

High-Visibility Packaging – Laser-etched part numbers (IK16TT/IK20TT) on both plug body and retail box prevent installation errors.

Bulk Purchase Advantage – Order 50+ units for fleet/workshop use and unlock wholesale-tier pricing (43% below auto parts retailers).