With the same 1/2 inch copper tubing expanded into aluminum cooling fins and embossed turbulators as our larger transmission coolers, this cooler uses a slim design to enable frame mounting in limited space applications. This kit comes with a complete transmission cooler hardware kit to easily install onto vehicles with 5/16 inch transmission cooler lines. Inlet size: 11/32 inch barb, Length: 12-7/8 inch, Width: 2-5/8inch, Depth:1-3/4inch, Inlet dim:1-1/4inch, Mounting:11-3/4inch, Core Length: 9-7/8inch, Hose size:11/32inch, Hose length: 4inch