With twice the diaphram area and spring pressure of the stock wastegate; BigHead keeps the valve seated longer; raising peak boost significantly. Delivers precise boost control; improves Duramax; Cummins; Power Stroke acceleration.
• Fits 1999.5-2003 Ford 7.3L (manufactured from 1/99 up) Banks or stock housing
With twice the diaphram area and spring pressure of the stock wastegate; BigHead keeps the valve seated longer; raising peak boost significantly. Delivers precise boost control; improves Duramax; Cummins; Power Stroke acceleration.
• Fits 1999.5-2003 Ford 7.3L (manufactured from 1/99 up) Banks or stock housing
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