Mercury - Quicksilver 817019Q2 Trim Cylinder Trailering Clips MerCruiser Sterndrives Set of 2 817019Q2. Overview. Keep your drive protected every time you trailer your boat. The Quicksilver 817019Q2 Trim Cylinder Trailering Clips are a quick, no-tools solution to safely support your MerCruiser sterndrive while transporting your boat. These bright red/orange clips snap over the trim cylinder rams to hold the drive securely in its trimmed-out position - preventing bounce, stress, and unnecessary s