Features: Usable to cool-down engine oil, transmission, and rear-differentials. Anodized for durability and for protection. Excellent for modified street vehicles, which are driven-hardly with track use. Potentially reduces oil temperature up to 50f. Helps reducing coolant temperature. Extends engine life. Eligible of converting radiators into functioning for auto vehicles, by improving the cooling efficiency on transmission oil. Specifications: Material:Aluminum Alloy Width:Approx.12.8cm/5.03inch Width:Approx.19cm/7.48inch Width:Approx.25.4cm/10inch Type:4 Row/6 Row/8 Row Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Oil Cooler Kit