Toyota/Lexus vehicles with U151E, U151F and U250E transmissions may exhibit insufficient line rise in the drive ranges, excessively high pressures in Reverse and shift issues. This may be caused by continuous oscillation of the pressure regulator valve and boost valves causing severe wear.Sonnax oversized pressure regulator and boost valve kit 27741-08K features upgraded materials and extremely tight tolerances to restore and maintain proper hydraulic control. Hardcoat anodized aluminum valves combat premature wear A new spring is included to work with the oversized valve and re-establish OE regulated pressure specifications Kit includes an increased ratio boost valve assembly specially designed to work with the oversized regulator valve
Pressure Regulator and Boost Valve Kit; Oversized; Requires Tool T-57917E-TL8
