Lippert Components 158778 Long Jaw Air Ride Pin Box， 21K (Replaces LCI 1621 Pin Box)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Air bag acts as a buffer between the tow vehicle and coach to absorb road shock and vibration</li><li>Improves ride and reduces driver fatigue</li><li>Can be retrofitted to most pin boxes on the market</li><li>Replaces all popular LCI pin boxes: 16K (1621)， 18K (1621)， 21K long jaw (1621)， 21K (1716)， 18K (0719)， 21K (1116)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Ft1ouWjvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31sP3Re4gqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31oB3PEp8wL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31QpLNhAzVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51hkTiA70-L.jpg" noproxy>