26,000 lbs 15 1/2 x 10 x 3/4 Transmission Oil Cooler kit. Tests have proven that a 20 degree drop in transmission fluid temperature can double the life of automatic transmission components.Cooler Transmission oil gives a more reliable, consistent shift under racing conditions, and prevents transmission damage under extreme towing conditions. These Transmission Oil Coolers provide a reliable means of cooling your automatic transmission.Cooler capacity is based on GVW rating. Select cooler size based on severity of service.Limited Lifetime Warranty