Derale 9500 Series Fluid Cooler - 22.75 x 9.25 x 1.25 in - 5/8-18 in Inverted Flare Female Inlet / Outlet 21251 66-'91 TH400 Valve Body Improvement

66-'91 TH400 Valve Body Improvement Kit

as pictured

Classic or Challenger chrome horn button with Mopar emblem

4 kw Super High Torque

Created for Super Stock classes

Derale 9500 Series Fluid Cooler - 22.75 x 9.25 x 1.25 in - 5/8-18 in Inverted Flare Female Inlet / Outlet 21251 66-'91 TH400 Valve Body ImprovementVery popular with original equipment manufacturers for use on their towing applications, our Plate and Fin coolers is no exception, featuring strong furnace brazed construction, 1 1 4" wide plates and embossed turbulators which maximize heat transfer while also minimizing pressure drop. This unit is perfect for light to medium duty use and occasional towing. It greatly extends transmission life by preventing heat related transmission failures, and