Gear Up Your Winter Savings! Use Code WINTER-5 For 5% Off Your Order.
Click Here to Unlock 10% OFF your first order | Worldwide Shipping
We’ll be closing early on December 24 and remain closed on December 25. Please note that shipping may experience delays due to the holiday season. Thank you for your understanding, and happy holidays!
4R44E, 4R55E, 5R44E, 5R55E Coast Clutch Valve Kit O.S. (1995-Up) (T-37947-TL33 Required) S56741HK (Sonnax 37947-33K)
4R44E, 4R55E, 5R44E,5R55E Installer & Resizer, Coast Clutch Seal (1995-Up) T-0486 N.L.
4R44E, 4R55E, 5R44E, 5R55E TCC Regulator Valve Spring Kit (5 Inner & Outer Sets, OEM Rating) (1995-up) S56741CA-3K (Sonnax 37947-46K)
4R44E, 4R55E, 5R44E, Sleeve Kit, Pressure Regulator Valve (req T-37947-TL5) (1995-Up) 56741P-2K (37947-05K)(Sonnax)
Valve Body Kit, 4R44E, 5R44E, 4R55E, 5R55E Sonnax EZ (1995-UP) (K27835)
4R44E, 4R55E, 5R44E, 5R55E Valve, TCC Regulator (1995-Up) (OEM Size)56741Q-1 (37947-38)(Sonnax)
4R44E / 4R55E / 5R55E Automatic Transmission Valve Body Kit, Shift Kit (1995-2001) (SK 44-55E) (K27908E)
4R44E, 4R55E, 5R44E, 5R55E Installer, Forward Clutch Bearing (1995-Up) T-0502 N.L.
4R44E, 4R55E, 5R44E, 5R55E Boost Valve & Sleeve Kit (Increased Ratio)(1995-UP) N.I.S56741FA (Sonnax 37947-03K)