CZP - Power Steering Cooler Upgrade Kit - Nissan 370Z / Infiniti G35 & G37 (CZP-PSC-x4)CZP Power Steering Cooler Upgrade Kits are essential for any 370Z or G37 that is used for drifting or that's going to see track time and abusive driving conditions. The 370Z and G37's come with a tiny tube and fin style factory power steering cooler that isn't up to the job for cooling the pump and rack when under high load like drifting and track driving can cause. Running higher than recommended power steering temperatures can break down your fluid