The Joints 43330, 39585, 43340, 39465 for my Toyota 4Runner have been an amazing upgrade for my vehicle`s suspension.According to my experience this product has greatly improved the smoothness of the ride and has enhanced my vehicle's performance. The installation of these joints was easy and hassle-free. The only con I CAN think of is the price, but it is worth every penny. Overall, I highly recommend these joints for anyone who is looking for a high-quality automotive suspension upgrade..