Infinity - Two new MASS AIR FLOW SENSORS, I bought them and the problem wasn't from them (600). And 5 used coils in good condition (50) each. - Original agency throttle body air gates (500). Fits all Infiniti and Nissan Z engines that come with two intake outlets and two 3.5/3.7 throttle bodies. G35/G37 / fx35 / fx37 / qx70 / ex35 / Z370