This product is designed for minimal modifications to replace the problematic Jeep Grand Cherokee firewall bulkhead. it is a very common occurrence to see these present with coolant leaks behind the left front wheel. This is caused by the factory plastic pipe inside the “plenum chamber” leaking from the casting. included in this kit is the push fit hose connectors and a 90° Bulkhead to go through the factory plate. The Plate requires very little modification to Fit the bulkhead and maintains a somewhat factory appearance once completed. These were done day in and day out by our qualified technicians, and this really is the best way to make sure you stay leak free.