NGK R7420-9 Racing Spark Plug gktech engine bay MAZDA 626 GT GC FET

MAZDA 626 GT GC FET 86-87 Factory Valve Not Directly Replaceable - Custom Fit Required

NOTE: For models up to 2007

anti-squat and alter other rear suspension traction settings to improve suspension response

your investment will last a lifetime (which is why these products are backed by a lifetime warranty) and offer the best possible throttle response and boost holding that any bypass or blow-off valve could deliver

NGK R7420-9 Racing Spark Plug gktech engine bay MAZDA 626 GT GC FETNGK Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions. Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions. Special Insulator Nose Configurations Improve Throttle Response Corrugated Ribs Prevent Flashover Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength