I don't knock the quality of banks products. I guess it all depends on your bank account. For the price of a trans command you can put all sonnex valves, a external cooler, filter and temp gauge. I just rebuilt my 4R100 from my superduty. This gave me the chance at valving the front pump with the Sonnex high flow valve. Lockup hits like any other gear now. A must if you have the pump out. The extra cooler helps a ton. I put mine off to the right side of the grill with a 6" electric fan. The bottom line is the least amount of shifting and quicker the gear change, the longer your trans will last.