This is a newly remanufactured 300 mm torque converter that fits the GM 4L60E / 4L65E / 4L70E automatic transmissions. The converter has been tested to ensure it works correctly and will have some residual fluid inside. This is the same converter that is used behind the 4.8, 5.3, and 6.0 LS engines in vehicles like the Silverado, Yukon, Tahoe, Suburban, Chevrolet and GMC trucks. Estimated stall speed is 1550-1700 RPM. There are no defects are problems with this converter, it is just an overstock item we have available and selling it at a lower price. No warranty or returns, and all sales are final, so please be confident that this is the converter you want before buying.