Premium Iridium Spark Plug for Peak Performance

Ultra-fine iridium tip ensures superior durability and consistent ignition, extending service life up to 4X longer than standard plugs. Precision laser-welded construction guarantees optimal heat dissipation and anti-corrosion resistance.

Engineered for ACDelco compatibility (Part# 12591131), delivering flawless fitment in GM, Chevrolet, and compatible vehicles. Enhances fuel efficiency by 5-7% while reducing harmful emissions.

Factory-direct quality with ISO/TS 16949 certification. Ideal for high-performance engines, towing, or stop-and-go urban driving. Bulk orders available at unmatched wholesale pricing.

Exclusive wholesale-only packaging (no retail markup). Ships globally with OEM-grade protective casing to prevent electrode damage during transit.