Premium MASUMA S529IP Spark Plugs with Iridium & Platinum Fusion

Ultra-Durable Iridium Core ensures extended lifespan and consistent ignition performance under extreme temperatures. Precision Platinum tip enhances fuel efficiency by promoting complete combustion.

Laser-Welded Construction eliminates electrical leakage for superior conductivity. Triple-Gasket Sealing prevents gas escape and maintains optimal cylinder pressure.

Direct Fit Replacement for Lexus & Toyota models including Highlander and Harrier (OEM# 90919-01210). Engineered for high-torque applications and stop-and-go urban driving conditions.

Micro-Grooved Ground Electrode reduces quenching effect for smoother acceleration. Anti-Corrosion Nickel Plating withstands moisture and chemical exposure.

Factory-Calibrated Gap (1.1mm) ensures plug-and-play installation without adjustments. Backed by ISO 9001 manufacturing standards.

Bulk Purchase Advantage: Wholesale pricing available for auto repair shops and fleet managers. Ships in OEM-spec protective tubes to prevent electrode damage during transit.

Performance Upgrade: Delivers 15% faster cold starts compared to standard copper plugs. Compatible with both conventional and synthetic engine oils.