Mishimoto Universal Power Steering & Transmission Cooler Kit As drift cars spend most of their time at high revs with minimized air flow additional cooling is vital to prolong the life of certain components. Often drift cars boil over their PS fluid which can cause damage to rack seals and loss of PAS. A power steering cooler will help decrease the temperature of the PS fluid giving longer life and consistent performance. This power steering cooler simply plumbs into the return line to your reservoir and comes with 1.5m of hose to let you mount the cooler conveniently. The cooler core measures 400mm wide x 140mm tall x 20mm deep.