Although this oil pan was a perfect fit with the stock K-member, it later turned out to be a pain with the oil filter when the oil cooler adapter was put back on. The result was only the shorter fram oil filter would fit and not the larger k&n oil filter or even the better fram tough guard oil filter. Although a slimmer aftermarket oil cooler adapter was a fix for this. Note the fram ph4 was just a temp oil filter used to keep dirt out. The appropriate fram ph30 was used when the engine was back in the car.