Product Overview
4R44E, 4R55E, 5R55E Valve Body Components-Boost Valve Kit, w/ Sleeve(1995-Up) 56741F (37947-01K)
4R44E, 4R55E, Valve Body Components-Boost Valve Kit, w/ Sleeve(1995-Up) 56741FA (37947-01K)(Increased Ratio)
Valve Body Kit, 4R44E, 5R44E, 4R55E, 5R55E Sonnax EZ (1995-UP) (K27835)
4R44E / 4R55E / 5R55E Automatic Transmission Valve Body Kit, Shift Kit (1995-2001) (SK 44-55E) (K27908E)
4R44E, 4R55E, 5R44E, 5R55E Boost Valve & Sleeve Kit (Increased Ratio)(1995-UP) N.I.S56741FA (Sonnax 37947-03K)
4R44E, 4R55E, 5R44E, 5R55E Boost Valve & Sleeve Kit (OEM Ratio) N.I. S56741F (Sonnax 37947-01K)