Transom Saver for Mercury 150hp 4-Stroke/Pro XS Motors. This patent pending transom saver design includes a billet aluminum frame sandwiched between two custom molded automotive grade bump stops that fit like a glove. Made of 6061 T6 Aircraft grade aluminum; makes it the most durable motor stabilizer you will ever own. No bending or warping. Choose from black, red or silver. Fits the Mercury 4-Stroke 150hp engines up to year 2021 including SeaPro, PRO XS and FourStroke families.