4R70W Boost Valve Kit 1996-2008 Transmission Ford 4R70W Transmission Sonnax

Sonnax Boost Valve Kit - Ford 4R70W Transmission

Overview

Sonnax Boost Valve Kit for the Ford 4R70W transmission. This shift improvement kit recalibrates the valve body to deliver firmer, more consistent shifts while reducing slippage and heat buildup that causes premature clutch pack failure.

Includes detailed installation instructions with color-coded diagrams. No special tools required beyond standard valve body rebuild equipment. Proven to extend transmission life by reducing clutch apply times.

Brand: Sonnax

Fitment & Compatibility

1993-2003 Ford F-150, 1994-2004 Ford Mustang V6/V8, 1992-2011 Ford Crown Victoria, 1992-2011 Mercury Grand Marquis, 1993-2002 Ford Explorer, 1997-2002 Ford Expedition

All parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.