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Ford Racing Performance Part's 62mm throttle body (PN M-9926-3V) is another element of AMP's entry-level Thre-Valve power system. The billet throttle body is markedly bigger than the OEM 55mm unit, and bolts on in minutes. While we did not experience a need for tuning after installing the new intake manifold, the addition of the larger throttle bore does warrant a PCM reflash, to ensure that air/fuel is safe. DiabloSport's new Trinity handheld flash tool (PN T-1000) is used for such calibrations.