Top 10 Best Automotive Replacement Spark Plugs

Laser Iridium Premium. 1order 8 Pieces.

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response. The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Longer insulator , the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines. Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties. Resistor Value-5K Ohm. Hex Size-58 inch.

Iridium-enhanced 0.6mm finewire design for optimal durability and performance. V-trimmed ground electrode for improved ignitability. Platinum protected ground wire for maximum efficiency in all ignition types. Better overall ignitability and optimum performance. Limited lifetime warranty.

Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components. Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability. Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance. Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials and technologies.

These Products On Exceptionally High Order Fulfillment Rates, Breadth Of Available Products. 6 Mm Iridium Center Electrode And Taper Cut Ground Electrode For Faster Starts, Better Acceleration And Improved Anti-Fouling. Through Creativity, Productivity And Innovation - This Brand Continues To Develop The Finest Automotive Accessories. Fit Type Vehicle Specific.

Reference number SP546, PZT14F, PZT1F, PZT2F, PZT2FF4, SP421, SP462, SP507, SP515 spark plugs.. Iridium spark plugsOne order 8 Pieces. Replacement racing spark plug used by many professional car drivers. Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions. Please input your make, model and trim level into the Amazon Garage and check the part number before purchasing to ensure fitment..

Iridium-enhanced 0.6mm finewire design for optimal durability and performance. V-trimmed ground electrode for improved ignitability. Platinum protected ground wire for maximum efficiency in all ignition types. Better overall ignitability and optimum performance. Limited lifetime warranty.

Iridium-enhanced 0.6mm finewire design for optimal durability and performance. V-trimmed ground electrode for improved ignitability. Platinum protected ground wire for maximum efficiency in all ignition types. Better overall ignitability and optimum performance. Limited lifetime warranty.

FREE SHIPPING to anywhere IN USA and territories For This Item. Iridium. 1order 6 Pieces.

Iridium-enhanced 0.6mm finewire design for optimal durability and performance. V-trimmed ground electrode for improved ignitability. Platinum protected ground wire for maximum efficiency in all ignition types. Better overall ignitability and optimum performance. Limited lifetime warranty.