This precisely designed aluminum downflow radiator is manufactured using 2 rows of extra-large 1" tubes which is equivalent to 4-row efficiency but weighing 5-7 lbs. less. Constructed using premium aluminum this radiator is built to last while providing durability for the road ahead. An automatic transmission cooler is included in this natural finish aluminum radiator and the direct fit install uses the existing factory holes. Will not fit late model water pumps.